Definition of an electrically charged object
Answers
Answer:
Electric charge, basic property of matter carried by some elementary particles that governs how the particles are affected by an electric or magnetic field. Electric charge, which can be positive or negative, occurs in discrete natural units and is neither created nor destroyed.
Related Questions
Calculate the acceleration of the car.
Show clearly how you work out your answer and give the unit.
Answers
i. The change in the velocity of the car is 12 m/s
ii. The acceleration of the car is 0.2 m/s²
i. How do i determine the change in the velocity of the car?The change in the velocity of the car can be obtained as follow:
Initial velocity = 20 m/sFinal velocity (v) = 32 m/sChange in velocity =?Change in velocity = Final velocity - initial velocity
= 32 - 20
= 12 m/s
How do i determine the acceleration?The acceleration of the car can be obtained as illustrated below:
Change in velocity = 12 m/sTime = 60 secondsAcceleration =?Acceleration = change in velocity / time
= 12 / 60
= 0.2 m/s²
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A train traveled 500 kilometers (km) from its starting point in 5 hours (h). If the train continues at the same average speed for another 2 hours, how far will it have traveled from its starting point?
Answers
Answer:
700 km
Explanation:
500 km / 5 hr is its speed 5 + 2 is time traveled
500 km / 5 hr * ( 5 + 2 hr) = 700 km
A doctor ran 100 meters in 20 seconds a duck slowly waddled 20 feet in 2 minutes some dude flew 100 miles in 2 hours Dave rolled down a hill he rolled 300 meters 30 seconds
Answers
Answer:
1. 50 m/s 2. 10 ft/min 3. 50 miles/hour 4. 10 m/s
Explanation:
We are required to calculate the speed in each instant
Since speed = distance/time,
1. For the doctor, speed = distance/time = 100 m/20 s = 50 m/s
2. For the duck, speed = distance/time = 20 feet/ 2 min = 10 ft/min
3. For the dude who flew, speed = distance/time = 100 miles/ 2 hours = 50 miles/hour = 50 mi/h
4. For Dave who rolled down the hill, speed = distance/time = 300 metres/ 30 s = 10 metres/ second = 10 m/s
Appliances connected so that they form a single pathway for
charges to flow are connected in a(n)
A. series circuit.
B. parallel circuit.
C. off circuit.
D. open circuit
Answers
Appliances connected so that they form a single pathway for charges to flow are connected in a(n)
Answer:A. Series circuit
#CARRYONLEARNING #STUDYWELLAppliances connected so that they create a single pathway for charges to flow are connected in a series circuit. Therefore, option (A) is correct.
What is the resistance of resistors connected in series?In a series combination of appliances, they are connected end-to-end. Consider two resistors, R₁ and R₂ which are connected in a series combination then their effective resistance can be given by:
Total Resistance of the series circuit, R = R₁ + R₂
In a series combination, the current flows through one appliance and then through another appliance. The same current flows through each appliance in one direction. The total voltage of the series circuit is equal to the sum of all the voltage drops across all appliances.
A potential difference of the series circuit, V = V₁ + V₂
Therefore, when appliances are connected in a series circuit they form a single pathway for charges to flow.
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A cup of coffee with cooling constant k = -0.09 is placed in a room temperature of 18°C. If the coffee is served at 93 °C, how long will it take to reach a drinking temperature of 73 °C?
Answers
The time taken for the coffee to cool from 93°C to 73°C is approximately 36.1 minutes.
The cooling law is given by:
$$\frac{dQ}{dt}=-k(T-T_0)$$
where Q is the heat in the object, t is the time taken, T is the temperature of the object at time t, T0 is the temperature of the environment and k is a constant known as the cooling constant.
We need to find the time it takes for the coffee to reach a drinking temperature of 73°C given that its initial temperature is 93°C.
Therefore, we need to find the time it takes for the coffee to cool down from 93°C to 73°C when placed in a room temperature of 18°C.
Let’s assume that the heat energy that is lost by the coffee is equal to the heat energy gained by the environment. We can express this as:
dQ = - dQ where dQ is the heat energy gained by the environment.
We can substitute dQ with C(T-T0) where C is the specific heat capacity of the object.
We can rearrange the equation as follows:
$$-\frac{dQ}{dt}=k(T-T_0)$$
$$-\frac{d}{dt}C(T-T_0)=k(T-T_0)$$
$$\frac{d}{dt}T=-k(T-T_0)$$
The differential equation above can be solved using separation of variables as follows:
$$\frac{d}{dt}\ln(T-T_0)=-k$$
$$\ln(T-T_0)=-kt+c_1$$
$$T-T_0=e^{-kt+c_1}$$
$$T=T_0+Ce^{-kt}$$
where C = e^(c1).
We can now use the values given to find the specific value of C which is the temperature difference when t=0, that is, the temperature difference between the initial temperature of the coffee and the room temperature.
$$T=T_0+Ce^{-kt}$$
$$73=18+C\cdot e^{-0.09t}$$
$$55=C\cdot e^{-0.09t}$$
$$C=55e^{0.09t}$$
$$T=18+55e^{0.09t}$$
We can now solve for the value of t when T=93 as follows:
$$93=18+55e^{0.09t}$$
$$e^{0.09t}=\frac{93-18}{55}$$
$$e^{0.09t}=1.3636$$
$$t=\frac{\ln(1.3636)}{0.09}$$
Using a calculator, we can find that the time taken for the coffee to cool from 93°C to 73°C is approximately 36.1 minutes.
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MATCH THE NUMBER WITH THE APPROPRIATE VARIABLE
HELPP!!!!! its for my final
Answers
Answer:
velocityspéeddistancedisplacementtime44. What is the magnitude of the centripetal acceleration of a point on the rim of the grindstone?
A) zero m/s2
B) 0.5 m/s2
C) 1.0 m/s2
D) 2.0 m/s2
E) 4.0 m/s2
Answers
The centripetal acceleration of a point on the rim of a grindstone is determined by the formula a = v^2/r, where a is the acceleration, v is the velocity, and r is the radius of the circle. In this case, we assume that the grindstone is rotating at a constant speed, which means that the velocity of any point on the rim is constant.
Therefore, the magnitude of the centripetal acceleration depends only on the radius of the circle.Since the question does not provide any information about the radius of the grindstone, we cannot determine the magnitude of the centripetal acceleration. However, we can conclude that options A and B are incorrect because the centripetal acceleration cannot be zero if the grindstone is rotating, and it cannot be less than 0.5 m/s^2 because that is the minimum acceleration required to keep an object moving in a circle.
Therefore, the correct answer must be either C, D, or E, depending on the radius of the grindstone. If the radius is relatively small, the acceleration will be closer to 4.0 m/s^2 (option E), while if the radius is relatively large, the acceleration will be closer to 1.0 m/s^2 (option C). The centripetal acceleration of a point on the rim of a grindstone is determined by the formula a = v^2/r, where a is the acceleration, v is the velocity, and r is the radius of the circle. In this case, we assume that the grindstone is rotating at a constant speed, which means that the velocity of any point on the rim is constant.
In summary, the magnitude of the centripetal acceleration of a point on the rim of a grindstone depends on the radius of the circle and is given by the formula a = v^2/r. We cannot determine the exact answer without knowing the radius of the grindstone, but we can eliminate options A and B as incorrect.
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how do i multiply 9.6 by 3/2
Answers
Solve the given problem as
\(\begin{gathered} x=9.6\times\frac{3}{2} \\ =9.6\times1.5 \\ =14.4 \end{gathered}\)Draw a neat labelled diagram for a particle moving in a circular path with a constant speed. In your diagram show the direction of velocity at any instant.
Answers
Explanation:
Particle moving in a circular path with a constant speed.
G 13% part (g) using the numbers from the previous step, give a numeric answer for the time in seconds that elapse when the package, initially at rest, travels a distance of 2. 25 m down the ramp
Answers
The time required for the container to move 2.25 metres down the ramp is roughly 0.104 seconds.
From part (f), we have determined the final velocity of the package to be 1.38 m/s. Using this value along with the distance traveled (Δx = 2.25 m), we can calculate the time elapsed using the kinematic equation:
Δx = (vf² - vi²) / 2a
Substituting the values, we get:
2.25 = (1.38² - 0) / (2 * 0.087)
Solving for time (t), we get:
t = 2.25 * 0.087 / 1.897
t ≈ 0.104 seconds
Therefore, the time elapsed when the package travels a distance of 2.25 m down the ramp is approximately 0.104 seconds.
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A 10:1 scale model was constructed to study the flow of a reservoir. The maximum discharge of the reservoir is
200m3/s, and the maximum discharge of the model is 0.1m3/s. If the time measured by the model is 1 hour, this
is equal to how many hours in a circle?
Answers
The required number of circles is 83.33.
Scale ratio, S = 10:1
Maximum discharge of reservoir, Q = 200 m³/s
Maximum discharge of model, q = 0.1 m³/s
Time measured by model, t = 1 hour
Time measured in a circle, T = ?
We can use the following equation to relate the discharges, lengths, areas, and times of the reservoir and the model:
Q₁/Q₂ = (L₁/L₂)² × (A₁/A₂) × (t₁/t₂)
where Q₁ and Q₂ are the discharges, L₁ and L₂ are the lengths, A₁ and A₂ are the areas, and t₁ and t₂ are the times.
In the given problem:
L₁/L₂ = 10/1 (scale ratio)
A₁/A₂ = 1 (as the shapes are similar)
Q₁ = 200 m³/s
Q₂ = 0.1 m³/s
t₁ = 1 hour
Therefore,
200/0.1 = (10/1)² × 1 × (1/t₂)
Simplifying the equation, we get:
2000 = 100 × (1/t₂)
Solving for t₂, we find:
t₂ = 1/2000 hour
Now, we need to find out how many hours are in a circle. In a circle, the time period is 24 hours, i.e., T = 24 hours.
So, the number of circles in 1 hour is 1/24. Therefore, the number of circles in 1/2000 hour is:
(1/24) × (1/(1/2000)) = (1/24) × (2000) = 83.33
Thus, 1 hour is approximately equal to 83.33 circles.
Hence, the required number of circles is approximately 83.33.
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A hemispherical tank is full of oil (density = 50 pc). It has a diameter of 10 ft. Find the work done in Ib-ft in pumping all the liquid out of the tank
Answers
The work done in pumping all the liquid out of the tank is 2500π lb-ft.
Work done calculationThe potential energy of an object is given by the formula:
PE = mgh
Given:
Density of oil = 50 lb/ft^3
Diameter of the tank = 10 ft ( r = 5 ft)
To calculate the work done, we need to find the mass of the oil and the height it is lifted. Let's start by finding the mass:
Volume of oil in the tank:
The volume of a hemisphere = (2/3) * π * (r^3)
Volume = (2/3) * π * (5^3) = (2/3) * π * 125 = 250π/3 ft^3
Mass of the oil:
Mass = Volume * Density = (250π/3) * 50 lb
Now, we need to find the height of the tank. For a hemisphere, the height is equal to the radius (5 ft).
Finally, we can calculate the work done:
Work = PE = mgh = (250π/3) * 50 lb * 5 ft
Work = (250π/3) * 50 * 5 lb-ft
= 2500π lb-ft
So, the work done in pumping all the liquid out of the tank is approximately 2500π lb-ft.
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why do students in uganda need to study physics
Answers
Answer:
1.To acquire problem solving skills like simple repairs at home,simple instruction etc. 2. To acquire skills of operating and using equipments.Explanation:
I hope l helped you ❤❤❤Answer:
1. Ability of problem solving.
2. Physics gives u a job.
3. Physicists can become engineers.
4. Physics puts your math to use.
5. Physics is versatile.
6. Physics makes things possible.
car travels 80 meters due north in 12 seconds then the car turns around and travels 30 Mi do South in 4 seconds calculate the average speed and average velocity of the car during this 60-second interval use guess method
Answers
Answer:
1) 3.1 m/s
2) 7 m/s
Explanation:
Distance due north = 80 m
Distance due south = 30 m
Distance between north and south = (80 - 30) m = 50 m
Total time = (12 + 4) sec = 16 sec
1) Average speed = 50/16 = 3.1 m/s
2) Average velocity = Total distance/total time = (80 + 30) m/16 s = 110/16 = 7 m/s
A skateboarder is skating along a level concrete path. Every so often, to keep himself going, he uses his foot to give himself a push. Discuss why the skateboarder needs to regularly push with a foot when skateboarding along a level surface.
In your answer, you should:
- describe the motion of the skateboarder during a push and between pushes
- identify the forces in action and explain whether they are balanced or unbalanced
- link the net force to the motion of the skateboarder.
Answers
The skateboarder needs to regularly push with their foot when skateboarding along a level surface because of the presence of frictional forces that oppose motion. When the skateboarder gives themselves a push, they increase their forward velocity.
The skateboarder needs to regularly push with their foot when skateboarding along a level surface because of the presence of frictional forces that oppose motion. When the skateboarder gives themselves a push, they increase their forward velocity. However, over time, the velocity decreases due to the force of friction between the skateboard's wheels and the ground, which acts in the opposite direction to the skateboard's motion. During a push, the skateboarder exerts a force on the skateboard that propels it forward. Between pushes, the skateboard moves at a constant velocity due to the balanced forces acting upon it. However, as frictional forces act on the skateboard, it slows down until the next push is required. The net force acting on the skateboarder is unbalanced, as the force of friction acting against the skateboard's motion is greater than the force of the skateboarder's push. The resulting net force causes the skateboarder to slow down over time. Thus, by pushing themselves, the skateboarder overcomes the force of friction and maintains their forward motion.
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How can the motion of two objects be described relative to each other
Answers
Answer:
Explanation:
The force on an object causes an a object to move
Which is the United States Space Shuttle-derived heavy expendable launch vehicle being designed by NASA?
Answers
Answer:
Space Launch System (SLS)
Explanation:
Space Launch System (SLS) is the United States Space Shuttle-derived heavy expendable launch vehicle being designed by NASA.
-TheUnknownScientist 72
Elmo finds himself at a Coke machine on a hot and dusty Sunday. The Coke machine requires exact change—two quarters and a dime. No other combination of coins will make anything come out of the machine. No stores are open; no one is in sight. Elmo is so thirsty that the only thing he cares about is how many soft drinks he will be able to buy with the change in his pocket; the more he can buy, the better. While Elmo searches his pockets, your task is to draw some indifference curves that describe Elmo’s preferences about what he finds.
(a) If Elmo has 2 quarters and a dime in his pockets, he can buy 1 soft drink. How many soft drinks can he buy if he has 4 quarters and 2 dimes? 1
(b) Does Elmo have convex preferences between dimes and quarters?
(c) Does Elmo always prefer more of both kinds of money to less?
(d) Does Elmo have a bliss point?
(e) If Elmo had arrived at the Coke machine on a Saturday, the drugstore across the street would have been open. This drugstore has a soda fountain that will sell you as much Coke as you want at a price of 4 cents an ounce. The salesperson will take any combination of dimes and quarters in payment. Suppose that Elmo plans to spend all of the money in his pocket on Coke at the drugstore on Saturday. Draw one or two of Elmo’s indifference curves between quarters and dimes in his pocket. Describe these new indifference curves in words.
Answers
The answers are- (a) 2 soft drinks. (b) Uncertain. (c) Not necessarily.
(d) No bliss point. and, (e) Steeper indifference curves.
(a) If Elmo has 4 quarters and 2 dimes in his pockets, he can buy 2 soft drinks. Since each soft drink requires two quarters and a dime, having double the amount of each coin allows him to make two purchases.
(b) Elmo's preferences between dimes and quarters may or may not be convex. Convex preferences imply that as Elmo increases the quantity of one type of money (quarters or dimes), the marginal utility he derives from each additional unit of that money diminishes. If Elmo's preference for soft drinks is based solely on the ability to purchase them and not on any diminishing marginal utility of the coins themselves, then his preferences may not exhibit convexity.
(c) Elmo does not necessarily always prefer more of both kinds of money to less. Given the specific context of the Coke machine, Elmo's only concern is to have the exact change required to obtain a soft drink. As long as he has the necessary combination of two quarters and a dime, having additional coins does not increase his utility further.
(d) Elmo does not have a bliss point in this scenario. A bliss point refers to the combination of goods or factors that maximizes an individual's utility or satisfaction. Since Elmo's sole objective is to purchase soft drinks from the Coke machine, his utility is maximized when he has the exact change required (two quarters and a dime). Having more coins does not enhance his utility beyond being able to buy a single soft drink.
(e) If Elmo had arrived at the Coke machine on a Saturday, with the drugstore across the street open, his preferences would change. Instead of being limited to the specific combination of two quarters and a dime, he could now use any combination of quarters and dimes to purchase as much Coke as he wants at a price of 4 cents per ounce.
In this case, Elmo's indifference curves between quarters and dimes would exhibit a downward slope, indicating that he is willing to trade off some quantity of one coin for a corresponding increase in the other, while still maintaining the same level of utility. The indifference curves would be steeper than the ones in the previous scenario, as Elmo can now acquire more soft drinks by having a larger combination of quarters and dimes.
These new indifference curves reflect Elmo's preference for more quarters and dimes, as they enable him to buy more Coke at the drugstore. The curves demonstrate that Elmo is willing to sacrifice some quantity of quarters to obtain additional dimes or vice versa, as long as the overall combination allows him to maximize the quantity of Coke he can purchase.
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Consider a ladder placed against a frictionless wall. What happens to the friction force between the ladder and the floor as you climb up the ladder
Answers
Answer:the friction increase
Explanation:
that's all i got
What is the spreading out of light into different colors called?
1 transmission
2 dispersion
3 reflection
4 refraction
Answers
Answer:
Dispersion
Explanation:
dispersion
[diˈspərZHən, diˈspərSHən]
NOUN
the action or process of distributing things or people over a wide area.
"some seeds rely on birds for dispersion"
the state of being dispersed over a wide area.
"the general dispersion of Hellenistic culture"
ecology
the pattern of distribution of individuals within a habitat.
(Dispersion)
another term for diaspora.
a mixture of one substance dispersed in another medium.
physics
the separation of white light into colors, or the separation of any radiation according to wavelength.
statistics
the extent to which values of a variable differ from a fixed value such as the mean.
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Which equations are equivalent to 3/4+m=-7/4? Select three options.
M= 10/4
M=-10/4
M=-5/2
11/4+m=-1/4
-5/4+m=-15/4
Answers
Answer:
M= -10/4
M = -5/2
-5/4 + m = -15/4
Explanation:
3/4 + m = -7/4
Subtract 3/4 from both sides
3/4 + m - 3/4 = -7/4 - 3/4
m = (-7-3) / 4
m = -10/4
m = -5/2
Check the options
11/4 + m = -1/4
m = -1/4 - 11/4
m = (-1-11) /4
m = -12/4
m = -3
-5/4 + m = -15/4
m = -15/4 + 5/4
m = (-15+5) /4
m = -10/4
m = -5/2
which type of battery tester uses electronic circuits to measure both a battery's state of charge and capacity?
Answers
Battery tester uses electronic circuits to measure both a battery's state of charge and capacity is Conductance tester.
A circuit for an electronic device is made up of separate electronic parts like diodes, resistors, transistors, capacitors, inductors, and transistors that are connected by conductive wires or traces that allow current to flow. A complete circular path through which electricity flows is known as a circuit in electronics. A current source, conductors, and a load make up an easy circuit. Any permanent path via which electricity, data, or a signal can flow can be considered a circuit in a broad sense. Battery energy is transferred to circuit components by an electric current in a electric circuit. No current is "used up" in this technique.Negatively charged electrons that are constantly present in the wires and other circuit components make up the majority of the moving charged particles in electrical circuits.
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If the resistance remains constant and the voltage doubles, what effect will that have on the power? A. The power will remain the same. B. The power will decrease by a factor of 2. C. The power will decrease by a factor of 4. D. The power will increase by a factor of 2. E. The power will increase by a factor of 4.
Answers
Answer:
D
Explanation:
The position of an object moving along a line is given by the function s(t)=−18t 2
+54t. Find the average velocity of the object over the following intervals. (a) [1,10] (c) [1,8] (b) [1,9] (d) [1,1+h] where h>0 is any real number. (a) The average velocity of the object over the interval [1,10] is −144 (b) The average velocity of the object over the interval [1,9] is −126 (c) The average velocity of the object over the interval [1,8] is −108 (d) The average velocity of the object over the interval [1,1+h] is
Answers
The average velocity of the object over the given intervals can be calculated using the position function s(t) = \(-18t^{2}\) + 54t. The average velocities are as follows: (a) -144, (b) -126, (c) -108, and (d) -18h + 36.
The average velocity of an object can be found by calculating the change in position divided by the change in time. In this case, we are given the position function s(t) = \(-18t^{2}\) + 54t.
(a) For the interval [1,10], the change in time is 10 - 1 = 9. To find the change in position, we evaluate s(10) - s(1):
s(10) = \(-18(10)^{2}\) + 54(10) = -1800 + 540 = -1260
s(1) = \(-18(1)^{2}\) + 54(1) = -18 + 54 = 36
Change in position = -1260 - 36 = -1296
Average velocity = Change in position / Change in time = -1296 / 9 = -144.
(b) For the interval [1,9], the change in time is 9 - 1 = 8. To find the change in position, we evaluate s(9) - s(1):
s(9) = -18(9)^2 + 54(9) = -1458 + 486 = -972
Change in position = -972 - 36 = -1008
Average velocity = Change in position / Change in time = -1008 / 8 = -126.
(c) For the interval [1,8], the change in time is 8 - 1 = 7. To find the change in position, we evaluate s(8) - s(1):
s(8) = \(-18(8)^{2}\) + 54(8) = -1152 + 432 = -720
Change in position = -720 - 36 = -756
Average velocity = Change in position / Change in time = -756 / 7 = -108.
(d) For the interval [1,1+h], the change in time is (1+h) - 1 = h. To find the change in position, we evaluate s(1+h) - s(1):
s(1+h) = \(-18(1+h)^{2}\) + 54(1+h) = -18(1 + 2h + h^2) + 54(1 + h) = -18 - 36h - \(18h^{2}\) + 54 + 54h = 36h - \(18h^{2}\) + 36
s(1) = \(-18(1)^{2}\) + 54(1) = -18 + 54 = 36
Change in position = (36h - \(18h^{2}\) + 36) - 36 = 36h - \(18h^{2}\)
Average velocity = Change in position / Change in time = (36h - \(18h^{2}\)) / h = 36 - 18h.
Therefore, the average velocities for the given intervals are (a) -144, (b) -126, (c) -108, and (d) 36 - 18h.
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I need to know how to draw the diagram of the last two questions
Answers
Answer
In the parallel circuit, you have to position the switch on only one of the loops.
An air track car with a mass of 5-kg and velocity of 2 m/s to the right collides with a 3-kg car moving to the left with a velocity of 3 m/s. After the collision, the two cars bounce off of each other and the 5-kg car bounces back with a velocity of 1 m/s. What is the new velocity of the 3-kg car after the collision?
Answers
Answer: 2 m/s to the right
Explanation:
This is a conservation of momentum question:
p before = p after → m1v1 + m2v2 = m3v3 + m4v4
**Note- if the speed is to the left, plug in a negative v!
5(2) + 3(-3) = 5(-1) + 3(v4) → 1 = -5 + 3v4 → v4 = +2 m/s :)
only question no.2 pls it's very urgent.
Answers
Scurvy and rickets are micronutrient deficiency diseases due to a lack of certain vitamins or minerals in the diet. Scurvy is caused by vitamin C deficiency and rickets by vitamin D.
What are proteins and carbohydrates?Proteins and carbohydrates are the macronutrient in the body and are sources of energy. Proteins are made of amino acids linked together by the peptide bond and carbohydrates are made of carbon, oxygen, and hydrogen. Breathing is a biological process that involves exhalation and inhalation, while respiration is a chemical process that occurs in body cells and tissues. The cerebrum and cerebellum are the parts of the brain involved with different functions. The cerebrum of the forebrain is involved with mental, motor, and sensory functions, while the cerebellum is involved with posture, balance, and coordination. The infectious disease gets transmitted to another person by viruses, bacteria, fungi, etc., and non-infectious are non-communicable disease that includes age, deficiency, etc.Learn more about proteins and carbohydrates, here:
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What must you have in order for ferromagnetism to occur?
Answers
Answer:
Its atoms or ions have permanent magnetic moments
Source:
ferromagnetism - BritannicaThe different properties of ferromagnetic materials must have for ferromagnetism.
What are the properties of ferromagnetic materials?Domains of persistent dipole moment exist in the atoms of ferromagnetic materials.Atomic dipoles in ferromagnetic materials are orientated parallel to the magnetic field's direction.The magnetising field's direction is where the strong magnetic dipole moment is located.The field inside the material is significantly stronger than the magnetising field, and relative permeability likewise varies linearly with the magnetising field. They have a propensity to draw several lines of stress into the material.The field produces a strong attraction for ferromagnetic materials. They consequently tend to remain at the poles where the field is strongest in a nonuniform field.Learn more about ferromagnetism here:
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1. Do you think your memories can be altered? Explain
Answers
Answer:
Yes
Explanation:
I think our memories can be altered by emotions. If someone tells you something over and over and over again with strong emotion you will start to remember that more than the memory.
Emotions are very powerful and if you feel a certain emotion connected with a different memory I think that is stronger and can trick your brain into thinking that is the memory because of the strong emotion, even though the true memory was right, since it might not have as strong of mental emotion your brain will think that is the false memory because whatever is more memorable your brain will remember.
If that makes any sense,
You would like to confirm Netwon's second law by running an experiment. You decide to drop two different objects from a tall building and discover that one of the objects lands on the ground five seconds before the other object. What can you conclude?
Newton's second law is not valid because each object should experience the same force of gravity and therefore should land at the same time.
There is some other force present. This additional force is different for the two objects and accounts for the fact that the objects land at different times.
Newton's second law is not relevant in determining when an object will land on the ground.
One object must be heavier than the other and must therefore experience a greater gravitational acceleration.
Answers
Answer:
You decide to drop two different objects from a tall building and discover that one of the objects lands on the ground five seconds before the other object. What can you conclude? Newton's second law is not valid because each object should experience the same force of gravity and therefore should land at the same time.
Explanation:
You decide to drop two different objects from a tall building and discover that one of the objects lands on the ground five seconds before the other object. What can you conclude? Newton's second law is not valid because each object should experience the same force of gravity and therefore should land at the same time.
You decide to drop two different objects from a tall building and discover that one of the objects lands on the ground five seconds before the other object. What can you conclude? Newton's second law is not valid because each object should experience the same force of gravity and therefore should land at the same time.