QUESTION 48
True/False: Disruptions to a system are always immediately apparent.
O True
O False
Answers
Therefore, it is crucial to have robust monitoring mechanisms and analytical tools in place to identify and respond to disruptions, even if they are not immediately visible.
False. Disruptions to a system are not always immediately apparent. While some disruptions may have immediate and noticeable effects, there are instances where the impacts are not immediately evident. Some disruptions can be subtle, slow, or occur internally within the system, making them difficult to detect without proper monitoring and analysis. In complex systems, such as technological networks or ecological systems, disruptions can have cascading effects that take time to propagate and manifest. Moreover, certain disruptions may have a delayed onset, where the consequences become apparent only after a significant amount of time has passed.
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Related Questions
Mass is 56.8 g and the volume is 10 mL what is the density
Answers
Explanation; Divide the mass of the unknown substance and the volume of the unknown substance and you will have your answer.
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Brian is at school and wants to walk home. How far and in what direction should he travel?
Answers
Identify by letters (A-E) in which section the following are found if in an energy curve worksheet A is solid, B is solid to liquid C is liquid, D. Is liquid to gas and E is gas.
1. Solid getting warmer
2. Liquid getting warmer
3. Gas getting warmer
4. Freezing/ Solidifying
5. Melting/ Liquefying
6. Boiling point
7. Boiling (Vaporization)
8. Particles farthest apart
9. Weakest IMF (intramolecular force)
10. Particles are rigid & compressed
1 1. Particles closest together
All particles able to move past each other in fluid motion
Condensation occurs
Strongest IMF
Particle motion is stationary
16- Particles are most chaotic and disordered. Have the most entropy
Answers
Respective sections (A-E) in an energy curve worksheet for the given terms: 1) A (solid), 2 )B (solid to liquid), 3) E (gas), 4) B (solid to liquid), 5) B (solid to liquid), 6) C (liquid), 7) D (liquid to gas), 8) E (gas), 9) E (gas), 10) A (solid), 11) A (solid)
The following are the respective sections (A-E) in an energy curve worksheet for the given terms:
1. Solid getting warmer: A (solid).
2. Liquid getting warmer: B (solid to liquid).
3. Gas getting warmer: E (gas).
4. Freezing/ Solidifying: B (solid to liquid).
5. Melting/ Liquefying: B (solid to liquid).
6. Boiling point: C (liquid).
7. Boiling (Vaporization): D (liquid to gas).
8. Particles farthest apart: E (gas).
9. Weakest IMF (intramolecular force): E (gas).
10. Particles are rigid & compressed: A (solid).
11. Particles closest together: A (solid).
All particles able to move past each other in fluid motion: C (liquid).Condensation occurs: D (liquid to gas).Strongest IMF: A (solid).Particle motion is stationary: A (solid).Particles are most chaotic and disordered. Have the most entropy: E (gas).
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in which two ways does inertia affect the motions of the planets?
• A. It keeps the planets from being pulled into the Sun by the Sun's
gravity.
• B. It keeps the planets from flying off into space, out of the solar
system.
C. It causes the planets to keep moving in the same direction as they
did when they formed.
• D. It causes all the planets to move at the same speed throughout
their orbits.
Answers
The two ways that inertia affect the motions of the planets are:
B. It keeps the planets from flying off into space, out of the solar system.
C. It causes the planets to keep moving in the same direction as they did when they formed.
How does inertia affect the motions of the planets in these ways?Inertia helps to keep planets in their orbits around the Sun, preventing them from flying off into space. As the planets move around the Sun, they are constantly pulled by the Sun's gravity towards the center of their orbit. However, due to their inertia, they continue to move forward, and the resulting combination of the inward pull of gravity and the outward motion due to inertia causes the planets to move in stable, elliptical orbits.
The planets formed from a cloud of gas and dust that was rotating in a particular direction. Due to the conservation of angular momentum, this rotation was transferred to the planets as they formed, causing them to continue to rotate in the same direction as they did when they formed. This is an example of how inertia affects the motion of the planets.
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select the intermolecular forces present in water. group of answer choices h-bonding ion-dipole london dispersion dipole-dipole
Answers
The intermolecular forces present in water include hydrogen bonding and dipole-dipole interactions.
Water is a polar molecule, meaning it has a positive and a negative end due to an uneven distribution of electron density. This polarity gives rise to intermolecular forces that hold water molecules together.
One of the intermolecular forces present in water is hydrogen bonding. Hydrogen bonding occurs when a hydrogen atom, which is covalently bonded to an electronegative atom (in this case, oxygen), is attracted to another electronegative atom (such as oxygen or nitrogen) in a different molecule. In water, the oxygen atom of one water molecule forms a hydrogen bond with a hydrogen atom of a neighboring water molecule. Hydrogen bonding is a strong intermolecular force and contributes to many of the unique properties of water, such as its high boiling point and surface tension.
In addition to hydrogen bonding, water also exhibits dipole-dipole interactions. Dipole-dipole interactions occur between the positive end of one polar molecule and the negative end of another polar molecule. In water, the positive hydrogen end of one water molecule is attracted to the negative oxygen end of a neighboring water molecule. These dipole-dipole interactions are weaker than hydrogen bonds but still contribute to the overall intermolecular forces present in water.
Other intermolecular forces, such as ion-dipole interactions and London dispersion forces, are not as significant in water compared to hydrogen bonding and dipole-dipole interactions. Ion-dipole interactions occur between an ion and the charged end of a polar molecule, while London dispersion forces arise from temporary fluctuations in electron distribution. While these forces may exist in other substances, they play a relatively minor role in the intermolecular forces of water.
In conclusion, the intermolecular forces present in water are primarily hydrogen bonding and dipole-dipole interactions. These forces contribute to the unique properties and behavior of water as a liquid.
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If you don’t know the answer please please don’t answer, I have to do this for a test and it’s 100 points
Answers
Answer:
I believe that it's C
Explanation:
I need help writing about transformation of energy but it has to have a title,objective,hypothesis,procedures,data analysis,conclusion
Answers
Energy can neither be created nor destroyed during a chemical reaction but it can only be transformed from one form of energy to another form of energy.
What is the conclusion of the transformation of energy?Energy transformation refers to energy conversion from one form of energy to another form of energy. such as in a hydroelectric dam that transforms the kinetic energy of water into electricity. The work of the energy transformations that take place in living organisms the leads to work.
While energy can be transformed, the total quantity of energy remains the same so this is known as energy conservation.
So we can conclude that Energy transformation also known as energy conversion, is the procedure of changing energy.
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derive an expression from the energy stored E, in a stretched wire of original length L cross sectional area A, e, tension e,and young modulus Y of the material of the wire
Answers
The expression for the energy stored (E) in a stretched wire of original length (L), cross-sectional area (A), tension (T), and Young's modulus (Y) is given by E = Y * e * ln(L) * A
How to explain the expressionThe work done to stretch the wire can be calculated by integrating the force applied over the displacement. In this case, the force applied is the tension (T) in the wire, and the displacement is the change in length (ΔL) from the original length (L) to the stretched length (L + ΔL).
The tension in the wire is given by Hooke's law, which states that the tension is proportional to the extension of the wire:
T = Y * (ΔL / L)
where Y is the Young's modulus of the material of the wire.
Now, let's calculate the work done to stretch the wire:
dW = T * dL
Integrating this expression from L to L + ΔL:
W = ∫ T * dL = ∫ Y * (ΔL / L) * dL
W = Y * ΔL * ∫ (dL / L)
W = Y * ΔL * ln(L) + C
Here, C is the constant of integration. Since the energy stored in the wire is zero when it is unstretched (ΔL = 0), we can set C = 0.
Finally, the expression for the energy stored in the wire (E) is:
E = W = Y * ΔL * ln(L)
or, if we substitute the cross-sectional area (A) and strain (e) of the wire, where e = ΔL / L:
E = Y * e * ln(L) * A
Thus, the expression for the energy stored (E) in a stretched wire of original length (L), cross-sectional area (A), tension (T), and Young's modulus (Y) is given by:
E = Y * e * ln(L) * A
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Which example provides a complete scientific description of an object in motion?
Answers
Two research groups getting together and sharing thoughts, ideas, and research results is known as ...
a) modeling
b) risk taking
c) observation
d) collaboration
Answers
Answer:
D
Explanation: collaboration
thats wut i think
find the value of x in this figure
Answers
Answer:
x=50
Explanation:
Answer:
vertically opposite angles are equal
Explanation:
so
2x+30=3x-20
2x-3x= -20-30
-1x= -50
so x is 50
as minus gets cancelled both sides.
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Four ample of teel, lead, alcohol and gla all have the ame ma and are all initially at 20 °C. After 100 calorie of heat i added to each ample, the final temperature are 38. 2 °C for the teel, 85. 6 °C for the lead, 23. 4 °C for the alcohol, and 30 °C for the gla. Which of thee four material ha the larget pecific heat capacity?
Answers
The larget specific heat capacity is the alcohol. Option A.
The specific heat of a substance is the heat capacity of a sample of the substance divided by the mass of the sample, sometimes called the mass heat capacity. Water has a very high specific heat. That means it has to absorb a lot of energy before the temperature changes.
On the other hand, sand and asphalt have low specific heat. This means that the temperature changes faster. The temperature rise in milk is higher because the specific heat of water is greater than that of milk. Water has the highest specific heat capacity that any liquid can produce. Specific heat is defined as the amount of heat that one gram of material must absorb or release to change its temperature by one degree Celsius.
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if earth did not rotate, air would flow: group of answer choices perpendicular to the isobars, i.e., straight across the isobars. parallel to the isobars.
Answers
If the Earth did not rotate, air would flow perpendicular to the isobars, i.e., straight across the isobars. This is because the direction of the wind is determined by the difference in pressure between two points.
On a non-rotating Earth, the pressure gradient would always be perpendicular to the isobars. Therefore, the wind would blow straight across the isobars from high pressure to low pressure.
However, the rotation of the Earth causes the Coriolis effect, which causes the direction of the wind to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This effect causes the wind to flow parallel to the isobars rather than straight across them. The stronger the pressure gradient, the greater the deflection caused by the Coriolis effect, resulting in faster wind speeds.
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The gravitational force on the moon is only 1/6 that on earth. What is the weight of a 10 kg object on the earth and on the moon? what is the mass of the object on the earth and the moon?.
Answers
Answer:
10 kg
Explanation:
The mass of the object is always constant and does not depend on the gravitational force of the Earth or the Moon.
Experiment 1: Exploring Charge with Scotch® Tape
In this experiment, you will observe the behavior of charged objects using pieces of Scotch® tape.
Materials
Scotch® Tape
Ruler
*Pen
*Flat Work Surface
Procedure
Part 1
1. Use the ruler to measure a piece of tape that is 10 cm long.
2. Tear the tape to remove the 10 cm piece from the roll.
3. Create a "handle" on one side of the piece of tape by folding down the piece of tape 1 cm from the end, leaving a 9 cm sticky piece with a 1 cm handle.
4. Stick the entire sticky surface of the tape to a table top, counter top, or another flat surface.
5. Repeat Steps 1 – 4 with a second 10 cm piece of tape. Stick the second piece of tape at least 15 cm away from the first piece on the same surface.
6. Quickly pull off both strips of tape from the surface and ensure that the pieces do not touch.
7. Carefully bring the non-sticky sides of the tape together and record observations about the behavior of the pieces in Table 1.
8. Discard the tape.
Part 2
1. Use the ruler to measure a piece of tape that is 10 cm long.
2. Tear the tape to remove the 10 cm piece from the roll.
3. Create a "handle" on one side of the piece of tape by folding down 1 cm of tape from one end.
4. Stick the entire sticky surface of the tape to a table top, counter top, or another flat surface.
5. Use a pen and write "B1" on the tape. "B" stands for bottom.
6. Repeat Steps 1 – 4 with a second 10 cm piece of tape. This time, press the second strip of tape on top of the one labeled "B1".
7. Use the pen to label the top piece with a "T1". "T" stands for top.
8. Create a second pair of pieces of tape by repeating Steps 1 – 7. This time, label the bottom piece "B2" and the top piece "T2".
9. Use the T1 handle to quickly pull off T1 strip of tape from the flat surface.
10. Use the B1 handle to peel off the bottom strip from the flat surface. Keep both B1 and T1 pieces away from each other.
11. Bring the non-sticky sides of B1 and T1 together and record observations about the behavior of the pieces in Table 1.
12. Set the pieces of tape, non-sticky side down, on the table approximately 15 cm away from each other. Do not stick them back on the table!
13. Repeat Steps 9 - 12 for B2 and T2.
14. Carefully bring the non-sticky sides of piece "T1" and "B2". Record observations about the behavior of the pieces in Table 1.
15. Set them back down, non-sticky side down.
16. Repeat Steps 14 - 15 for "T1" and "T2". Record your observations in Table 1.
17. Repeat Steps 14 - 15 for "B1" and "B2". Record your observations in Table 1.
18. Repeat Steps 14 and 15 for "T1" and the hair on your leg or arm. Record your observations in Table 1.
19. Repeat Steps 14 and 15 for "B1" and the hair on your leg or arm. Record your observations in Table 1.
Table 1: Electric Charge Observations
procedure
interacting pieces observation
Part 1 Two pieces on table Part 2 T1 / B1 T2 / B2 T1 / B2 T2 / B1 B1 / B2 T1 / Arm Hair B1 / Arm Hair ***The observation is filled.
Post-Lab Questions
1. Describe the interaction between the top and bottom strips as they relate to electric charge. Did the behavior of the pieces change when the tape was from different sets?
2. Describe the interaction between two top and two bottom pieces of tape as they relate to electric charge. Is this consistent with the existence of only two types of charge? Use your results to support your answer.
3. Did the top tape attract your arm hair? Did the bottom tape attract your arm hair? Usually arm hair is neutral; it has equal number positive and negative charges. Use this information to explain your results.
4. Which pieces of tape are positively charged? Which pieces of tape are negatively charged? Explain your reasoning.
5. Use your data to create a rule describing how like charges, opposite charges, and neutral bodies interact.
6. What do you observe about the force of attraction or repulsion when the pieces of tape are closer together and farther apart? Does this change happen gradually or quickly?
Answers
1.When the non-sticky sides of the two pieces of tape recording are brought together, they repel each other. This is due to the buildup of electric charge on the face of the tape recording when it was hulled off from the flat face.
2.The pieces didn't change when the tape recording was from different sets. When two top or two nethermost pieces of tape recording are brought together, they repel each other.
3.When a top and nethermost piece of tape recording are brought together, they attract each other. This is harmonious with the actuality of only two types of charge, positive and negative. The results support the fact that the top and nethermost pieces of tape recording had contrary charges. The top tape recording attracted the arm hair, while the bottom tape recording didn't attract the arm hair. Arm hair is generally neutral, but it can be concentrated by the electric field of the charged tape recording.
4.The top tape recording is negatively charged, and it concentrated the arm hair, which has a positive charge. This redounded in magnet between the top tape recording and the arm hair. The pieces of tape recording labeled" T1" and" B2" are appreciatively charged, while the pieces of tape recording labeled" B1" and" T2" are negatively charged. This can be determined from the compliances.
5.When the appreciatively charged tape recording was brought near to a negatively charged tape recording, they attracted each other. When two appreciatively charged videotapes or two negatively charged videotapes were brought near together, they repelled each other. Like charges repel each other, contrary charges attract each other, and neutral bodies aren't affected by electric fields.
6.The force of magnet or aversion between the pieces of tape recording increases as they get near together and decreases as they move further piecemeal. This change happens gradationally, not snappily.
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x¨ + ˙x + x = H(t − 2) cos(t − 2) and x(0) = 1 and
x'(0) = 1
what kind of laplace inversion do you need to solve
above?(answer in terms of F(s) don't actually inverert)
Answers
We can solve for A and B by substituting suitable values of s.
\((s * x(0) + dx(0)/dt) = A * (s - r_2) + B * (s - r_1).\)
Once we have the values of A and B, we can apply the inverse Laplace transform to obtain x(t).
To solve a simple harmonic oscillator equation using Laplace inversion, let's consider the following second-order differential equation:
\(m * d^{2} x(t)/dt^{2} + k * x(t) = 0,\)
We can solve this equation using the Laplace transform. The Laplace transform of x(t) is given by X(s), where s is the complex frequency variable.
Applying the Laplace transform to the equation, we get:
\(m * (s^{2} * X(s) - s * x(0) - dx(0)/dt) + k * X(s) = 0.\)
Rearranging the equation, we have:
\(s^{2} * X(s) + (k/m) * X(s) = (s * x(0) + dx(0)/dt).\)
Now, we can solve for X(s):
X(s) = (s * x(0) + dx(0)/dt) / (s² + k/m).
To find the inverse Laplace transform of X(s), we need to decompose it into partial fractions.
Let's assume the roots of the denominator s² + k/m are \(r_1\) and \(r_2\):
\(X(s) = A / (s - r_1) + B / (s - r_2),\)
where A and B are constants.
By equating the numerators, we have:
\((s * x(0) + dx(0)/dt) = A * (s - r_2) + B * (s - r_1).\)
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--The complete Question is, Solve a simple harmonic oscillator equation using Laplace inversion ?--
what would be the wavelenght if the frequency of the wave is 58 Hz and a speed of 350m/s?
Answers
Taking into account the definition of wavelength, frecuency and propagation speed, the wavelength if the frequency of the wave is 58 Hz and a speed of 350m/s is 6.03 m.
Definition of wavelengthIn a periodic wave, the wavelength is the physical distance between two points from which the wave repeats itself. It is expressed in units of length (m).
Definition of frequencyFrequency is the number of vibrations that occur in a unit of time. Its unit is s⁻¹ or hertz (Hz).
Definition of propagation speedThe propagation speed is the magnitude that measures the speed at which the wave disturbance propagates along its displacement.
The propagation speed relate the wavelength (λ) and the frequency (f) using the following equation:
v = f×λ
Wavelength in this caseYou know:
v= 350 m/sf= 58 Hzλ= ?Replacing in the definition of propagation speed:
350 m/s= 58 Hz× λ
Solving:
λ= 350 m/s ÷ 58 Hz
λ= 6.03 m
Finally, the wavelength is 6.03 m.
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please help!!! zoom in to read it clearly
Answers
Answer:
imma try nd help cuz i havent seen anybody answer so
1.sara
2.same for both
3.tom
Explanation:
Scott travels north 2 miles and then goes west 3 miles before coming
straight back south 3 miles. What is the distance traveled and his
displacement??
A)8 miles, 8 mile
B)8 miles, 3.2 miles
C)8 miles, 4 miles
D)8 miles, 2 miles
Answers
If a car is moving at 12 m/s without accelerating, how far will it go in 15 s?
Answers
Answer: 180m/s
Explanation:
use formula
velocity = displacement /time
12=d/15
=180m/s
The function d(v) = 0.0067 v^2 + 0.15v can be used to determine the safe stopping distance, d(v), in metres for a car given its speed, v, in kilometres per house. determine the speed at which a car can be traveling in order to be able to stop at a distance of 24m. show your work and round your final answer(s) to the nearest meter.
Answers
Evaluate the function when d(v) = 24.
\(\begin{gathered} 24=0.0067v^2+0.15v \\ 0.0067v^2+0.15v-24=0 \end{gathered}\)Use the quadratic formula to find v.
\(v=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}\)Where a = 0.0067, b = 0.15, and c = -24.
\(\begin{gathered} v=\frac{-0.15\pm\sqrt[]{0.15^2-4\cdot0.0067\cdot(-24)}_{}}{2\cdot0.0067}=\frac{-0.15\pm\sqrt[]{0.6657}_{}}{0.0134} \\ v_1=49.7\cdot\frac{km}{hr}_{} \\ v_2=-72.1\cdot\frac{km}{hr} \end{gathered}\)Therefore, the car should travel at 49.7 km/hr.
We take the positive speed as the answer.
As you walk to science class, you start out at a speed of 2 m/s, for a time of 120 seconds (you’re really excited to get to class). Then you see your friend and slow down to a speed of 0.5m/s for 30 seconds. You stop at your locker for 40 seconds (a speed of 0 m/s). You realize that you are about to be late so you hurry to class at a speed of 1 m/s and get to class just as the bell rings (4 minutes after your trip started). How far did you travel total?
Answers
The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.
What is Speed?Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.
For instance, 50 km/hr west denotes the velocity of a car whereas 50 km/hr (31 mph) denotes the speed at which it is moving down a route.
The average speed of an object is determined by dividing the distance traveled by the amount of time it takes the object to reach the distance.
Therefore, The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.
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three resistors of 20. ohms, 30. ohms, and 60. ohms, respectively, are connected in series with a battery. a current of 2.0 amperes will flow through this circuit when the potential difference of the battery is a. 20.V b. 220 V c. 110 V d. 10.V.
Answers
Answer:
b. 220 V
Explanation:
Let resistors be R1, R2, and R3 respectively.
Given the following data;
R1 = 20 ohms
R2 = 30 ohms
R3 = 60 ohms
Current = 2 Amperes
To find the voltage;
First of all, we would determine the total effective resistance (RT).
For series circuit;
RT = R1 + R2 + R3
RT = 20 + 30 + 60
RT = 110 Ohms
Next, we find the voltage using the formula;
Voltage = current * resistance
Voltage = 2 * 110
Voltage = 220 Volts
What is the difference between regular reflection and diffuse reflection?
Answers
Answer:
regular reflection occurs at the surface of a plane surface and diffuse reflection occurs at the surface of a rough surface
According to this graph, the acceleration
is approximately:
Velocity (m/s)
1 2 3 4
Time t(s)
5
A. 4 m/s2
B. 2 m/s2
C. 1 m/s2
D. 3 m/s2
Answers
The acceleration is approximately 4 m/s². Therefore, the correct answer is:
A. 4 m/s²
To determine the acceleration from the graph, we need to look at how the velocity changes over time. Acceleration is defined as the rate of change of velocity with respect to time. In other words, it is the slope of the velocity-time graph.
Looking at the graph, we can see that the velocity changes from 0 m/s to 4 m/s over a time interval of 2 seconds. To calculate the acceleration, we use the formula:
Acceleration (a) = Change in velocity / Change in time
Acceleration (a) = (4 m/s - 0 m/s) / (2 s) = 4 m/s²
So, the acceleration is approximately 4 m/s². Therefore, the correct answer is:
A. 4 m/s²
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Which energy type is missing in the windmill energy transformation? kinetic (wind) > ________ > electrical
Answers
Answer: mechanical?
Explanation:
. ASSERTION: WHEN ASTRONAUTS THROW SOMETHING IN SPACE, THAT OBJECT WOULD CONTINUE MOVING IN THE SAME DIRECTION AND WITH THE SAME SPEED. REASON: THE ACCELERATION OF AN OBJECT PRODUCED BY A NET APPLIED FORCE IS DIRECTLY RELATED TO THE MAGNITUDE OF THE FORCE, AND INVERSELY RELATED TO THE MASS OF THE OBJECT.
Answers
Both the assertion and the reason given are true.If the mass of the object is less, the acceleration produced by the force will be more. Hence, the acceleration produced by the force is directly proportional to the magnitude of the force and inversely proportional to the mass of the object.
The given assertion: When astronauts throw something in space, that object would continue moving in the same direction and with the same speed; and the given reason: The acceleration of an object produced by a net applied force is directly related to the magnitude of the force, and inversely related to the mass of the object are both correct.Astronauts are capable of throwing objects in space because they are beyond Earth's gravity and do not have to deal with any significant air resistance. In the absence of other forces like friction or air resistance, the initial velocity will be conserved, and the object will continue to move with the same speed and direction. The object would continue to move in a straight line with the same speed because no external force acts on it to change the object's state of motion.Newton's second law states that the force of an object is directly proportional to its acceleration, but inversely proportional to its mass. F=ma, where F is force, m is mass, and a is acceleration. Therefore, if the mass of the object is less, the acceleration produced by the force will be more. Hence, the acceleration produced by the force is directly proportional to the magnitude of the force and inversely proportional to the mass of the object.
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If the temperature at sea level is 80°F, what is the temperature at 12,000 feet above sea level? View Available Hint(s) 38°F 28°F 0%F 48°F 18°F
Answers
At 12,000 feet above sea level, the temperature is 38°F if the air temperatures at sea level is 80°F.
What does °F refer to in terms of temperature?Daniel Gabriel Fahrenheit, a scientist, initially suggested the temperature measure known as the Fahrenheit scale in 1724. (1686–1736).
The sign for the unit is indeed the letter °F, which stands for degrees Fahrenheit. There are several stories about how he first developed his scale, but according to the first publication, the lower defining point, 0 °F, was chosen as the freezing point of a brine solution that was formed by mixing water, snow, and ammonium chloride (a salt).
His best guess for the normal temperature of a person, which was initially put at 90 °F and later adjusted to 96 °F (around 2.6 °F),The other limit established was lower than the actual value (due to a subsequent revision of the scale).
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An eagle carrying a trout flies above a lake along a horizontal path. The eagle drops the trout from a height of 6.1 m. The fish travels 7.9 m horizontally before hitting the water.
What is the velocity of the eagle? Round at the end of the calculation to the nearest tenth
Answers
The velocity of the eagle is 12.4 m/s
What is velocity?Velocity is the rate of change of displacement.
The S.I unit of velocity is m/s.
To calculate the velocity of the eagle, we use the formula below.
Formula:
v² = u²+2gs.......... Equation 1Where:
v = Final velocityu = Initial velocityg = acceleration due to gravitys = DistanceFrom the question,
Given:
u = 0 m/sg = 9.8 m/s²s = 7.9 mSubstitute these values into equation 1
v² = 0²+2×9.8×7.9v² = 154.84v² = √(154.84)v = 12.4 m/sHence, the velocity of the eagle is 12.4 m/s.
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4.04 science k12 test
Question 1= DNA
Question 2=The cell must make copies of DNA before it can divide.
Question 3 =Mutations can be caused by errors during replication and by mutagens.
Question 4 =they are complementary
Question 5 =It is different than the original strand.
Hope this helps
Answers
K12 is a term that refers to the education system that covers primary and secondary education, typically from kindergarten through 12th grade. A K12 test would, therefore, be an assessment or examination that is designed for students within this educational framework.
Question 1:
DNA (deoxyribonucleic acid) is a molecule that carries the genetic instructions for the development, functioning, and reproduction of all living organisms. It consists of two strands twisted into a double helix structure and is composed of nucleotides containing a sugar-phosphate backbone and nitrogenous bases (adenine, thymine, cytosine, and guanine).
Question 2:
The cell needs to make copies of DNA before dividing to ensure that each daughter cell receives a complete set of genetic information. During cell division, the DNA is replicated through a process called DNA replication, where each strand of the double helix is used as a template to create two identical DNA molecules. This ensures genetic continuity and the transmission of genetic information to offspring cells.
Question 3:
Mutations in DNA can be caused by errors that occur during DNA replication, where mistakes or changes in the nucleotide sequence may occur. Additionally, mutations can be caused by external factors known as mutagens, such as radiation, certain chemicals, or environmental factors, which can damage or alter the DNA sequence.
Question 4:
When we say that DNA strands are complementary, it means that the nucleotide bases on one strand pair specifically with their complementary bases on the opposite strand through hydrogen bonding. Adenine (A) always pairs with thymine (T), and cytosine (C) always pairs with guanine (G). This complementary base pairing ensures the accurate replication and transcription of DNA.
Question 5:
During DNA replication, the new DNA strand formed is complementary to the original template strand. This means that the sequence of nucleotides in the new strand is precisely complementary to the sequence in the original strand. However, it is important to note that both strands of the double helix are used as templates during replication, resulting in two new DNA molecules, each with one original strand and one newly synthesized complementary strand. Therefore, each new DNA molecule consists of one original strand and one newly synthesized strand, making them identical to each other and slightly different from the original DNA molecule.
Learn more about mutation at:
https://brainly.com/question/29354062
The complete question is:
Question 1: What is DNA?
Question 2: Why must the cell make copies of DNA before it can divide?
Question 3: What causes mutations in DNA?
Question 4: What does it mean for DNA strands to be complementary?
Question 5: How is the new DNA strand formed during replication different from the original strand?
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