There are some ways objects in motion are affected. _______________, or pushes and pulls, affect the motion of an object. _______________ is a force that pulls objects down to Earth. _______________ is a force that slows things down or can even make them stop. Did you know acceleration means more than the increase of an object’s speed? It also describes an object that is slowing down or changing _______________. Since acceleration is a change in speed or direction, that means, _______________ is a change in velocity
Answer:
Forces, Gravity, Friction, Direction, Acceleration.
The answers for the fill-in-the-blanks would be Force, gravity friction
direction and acceleration respectively.
What is gravity?It can be defined as the force by which a body attracts another body towards its center as the result of the gravitational pull of one body and another,
There are a few ways that moving objects are impacted. Pushes and pulls, or force, have an impact on how an object moves.
The force of gravity drags items toward the Earth.
Friction is a force that causes objects to move more slowly or even come to a stop.
It also applies to an item that is reversing course or slowing down. Since acceleration is a change in velocity, it can also be a change in speed or direction.
Thus, Force, gravity friction direction, and acceleration are the answers respectively.
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Which of the following statement/s is/are true? Check all that apply. Jupiter's Great Red Spot is in the southern hemisphere of the planet The fastest wind speed recorded in our solar system is on the dwarf planet Pluto Neptune's Great dark spot is in the northern hemisphere of the planet Water geyser is located on the South Pole of Saturn's Moon Enceladus The Hexagon hurricane is on the North Pole of the planet Uranus
The true statements are:Jupiter's Great Red Spot is in the southern hemisphere.The fastest wind speed recorded in our solar system is on Neptune.
Among the given statements, only two are true. Jupiter's Great Red Spot, a massive storm, is indeed located in the southern hemisphere of the planet. The Great Red Spot is a prominent feature on Jupiter, visible as a giant swirling storm system. On the other hand, the fastest wind speed recorded in our solar system, reaching speeds of up to 2,100 kilometers per hour (1,300 miles per hour), is found on Neptune.
The strong winds on Neptune contribute to its dynamic atmosphere and the formation of features like the Great Dark Spot. The remaining statements about Pluto, Saturn's moon Enceladus, and Uranus are not true according to our current understanding.
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Q3.
Name the type of relationship shown in the graph below?
<<<<
A.Linear
B.Non-linear
C.Quadratic
D.Non-quadratic
Answer:
Linear
Explanation:
The slope is constant.
Answer:
A. Linear
Explanation:
hope I help you
Okay, so I have a project and we have to create a brochure to promote a planet and try to get people to visit. We also have to create a catchy slogan
I dunno if this is a good site to ask on, but I NEED HELP CREATING A SLOGAN FOR NEPTUNE. PLEAASE HELP :(
Explanation:
the tune of neptune is better thatbany other tune
hope it helps
A construction worker is carrying 40kg if he travels a distance of 50 meters how much work is being done
Answer:
Workdone = 19600 Nm
Explanation:
Given the following data;
Mass = 40 kg
Distance = 50 meters
We know that acceleration due to gravity is equal to 9.8 m/s².
To find the work done;
First of all, we would determine the force being exerted by the construction worker.
Force = mass * acceleration due to gravity
Force = 40 * 9.8
Force = 392 Newton
Next, we would determine the work done;
Workdone is given by the formula;
\( Workdone = force * distance\)
\( Workdone = 392 * 50 \)
Workdone = 19600 Nm
The electromagnetic radiation mostly absorbed in ordinary glass is ______. *
The electromagnetic radiation mostly absorbed in ordinary glass is **infrared radiation**.
Ordinary glass is transparent to visible light, allowing it to pass through with minimal absorption. However, when it comes to other forms of electromagnetic radiation, such as ultraviolet (UV) and infrared (IR), glass behaves differently.
In terms of UV radiation, ordinary glass can block a significant portion of it, especially the shorter wavelengths in the UV spectrum. This is why glass windows can help protect us from harmful UV rays.
On the other hand, glass is known to absorb a considerable amount of infrared radiation. Infrared radiation corresponds to longer wavelengths beyond the visible light spectrum. When exposed to IR radiation, glass absorbs a significant portion of it, which can contribute to heating the glass material.
The specific characteristics of glass can vary depending on its composition and additives. For instance, some specialized glasses can be designed to be more transparent or less absorptive in certain regions of the electromagnetic spectrum. Nonetheless, in the case of ordinary glass, it is the infrared radiation that is primarily absorbed.
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A spherical drop of water carrying a charge of 41pC has a potential of 570 V at its surface (with V=0 at infinity). (a) What is the radius of the drop? (b) If two such drops of the same charge and radius combine to form a single spherical drop, what is the potential at the surface of the new drop? (a) Number Units (b) Number Units
A spherical drop of water carrying a charge of 41pC has a potential of 570 V at its surface (with V=0 at infinity) (a) The radius of the drop is approximately 5.88 micrometers (μm).
(b) The potential at the surface of the new drop formed by combining two drops of the same charge and radius is approximately 1140 V.
(a) To find the radius of the drop, we can use the formula for the potential of a charged sphere, which is given by V = (k * Q) / r, where V is the potential, k is the electrostatic constant, Q is the charge, and r is the radius of the sphere. Rearranging the formula to solve for the radius, we have r = (k * Q) / V. Plugging in the given values of Q = 41 pC (pico coulombs) and V = 570 V, and using the value of k = 8.99 × 10^9 Nm^2/C^2, we can calculate the radius to be approximately 5.88 μm.
(b) When two drops combine to form a single spherical drop, the total charge remains the same. Therefore, the potential at the surface of the new drop can be calculated using the same formula as before, but with the combined charge. Since each drop has the same charge and radius, the combined charge will be 2 times the original charge. Plugging in Q = 82 pC (2 * 41 pC) and using the given value of V = 570 V, we can calculate the potential at the surface of the new drop to be approximately 1140 V.
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The planet's hawks and block their near each other in the door again system the dworkin's have very advanced technology and a dork and scientist want to increase the pull of gravity between the 2 planets which proposals with the scientists make to accomplish this goal check all that aply
Answer: A,B, and E
Explanation: Just checked I got them right:)
If a riding lawnmower engine exerts 19 hp in one minute to move the mower, how much work is done? (Hint convert: 1 watt equals 0.00135962 hp)
Answer:
Work done = 838470 Joules.
Explanation:
Given the following data;
Power = 19 hp
Time = 1 minute to seconds = 60 seconds.
Next, we would convert the unit of power in "hp" to "Watt."
1 Watt = 0.00135962 horsepower
x Watt = 19 horsepower
Cross-multiplying, we have;
19 = 0.00135962x
x = 19/0.00135962
x = 13974.5 Watts.
Now, to find the work done in moving the mower;
Work done = power * time
Substituting into the formula, we have;
Work done = 13974.5 * 60
Work done = 838470 Joules.
Q3. At an altitude of 6679 km above the center of the Earth, the
International Space Station can complete one orbit in 1.5 hours.
Determine the average speed of the ISS. Explain why you should
calculate speed in this case, and not velocity.
Answer:
5524.8 m/s
Explanation:
Given that,
Altitude above the surface of earth is 6679 km, the Space Station can complete one orbit in 1.5 hours. We need to find the average speed of the ISS. The average speed of its orbit is given by :
\(v=\sqrt{\dfrac{GM}{R}}\)
R is distance from Earth
R = r + d, r is the radius of Earth
R = 6371 + 6679
R = 13050 km
So,
\(v=\sqrt{\dfrac{6.67\times 10^{-11}\times 5.972 \times 10^{24}}{13050\times 10^3}}\\\\v=5524.8\ m/s\)
or
Hence, the average speed of ISS is 5524.8 m/s.
Explain what is happening when the girl is at each point. **The girl has started at 1 and goes to 4.
a combination of longitudinal and transverse waves is called a ?
A combination of longitudinal and transverse waves is called a "surface wave."
Surface waves are a type of wave that travel along the boundary or surface between two different materials or mediums, such as between air and water or between two layers of rock. These waves are characterized by a complex motion that combines both longitudinal and transverse components, resulting in a wave that moves both up and down and side to side.
Surface waves are often the most destructive type of wave in seismic activity, such as earthquakes, as they can cause the ground to move in a circular or elliptical motion. They are also important in the study of fluid dynamics, such as ocean waves and the behavior of fluids in pipes and channels.
Examples of surface waves include Rayleigh waves and Love waves, which are named after the scientists who first studied them. Rayleigh waves are primarily responsible for the shaking that occurs during earthquakes, while Love waves are responsible for the horizontal movement of the ground.
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1) how can you show that atmospheric exerts pressure?
2) how do you measure the volume of an irregular solid ? explain an experiment with diagram.
Answer:
1. While boiling replace the cap and allow it to cool. Vapours inside condense and form water creating vacuum above them. Observation - The can crumbles due to air pressure from outside. This proves that air exerts pressure.
2. Measure the volume of the liquid displaced when the object is submerged. Measure the initial volume of water in graduated cylinder. Submerge the irregular object. Measure the final volume of the water.
— The difference between the initial volume and the final volume is the volume of the object.
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pls hurrryyyy!!!!!!!! please
Answer:
The penguins are gliding foward without stopping because there is no external force changing their state.
Explanation:
Newtons first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.
The wavelengths of visible light vary from about 300 nm to 700 nm. what is the range of frequencies of visible light in a vacuum?
a) 90 hz to 210 hz
b) 9*10^10 hz to 2.1*10 hz
c) 4.28*10^5 hz to 1*10^6 hz
d) 4.29*10^14 hz to 1*10^15 hz
The range of frequencies of visible light in a vacuum with wavelength between 300 nm to 700 nm is determined as 4.29 x 10¹⁴ Hz to 1 x 10¹⁵ Hz.
Frequency of the visible light
The frequency of the visible light is determined by using the following formulas relating speed of light and frequency of light.
c = fλ
where;
c is speed of lightf is frequency of lightλ is the wavelengthFrequency of light at 300 nm wavelengthf = c/λ
f = (3 x 10⁸) / (300 x 10⁻⁹)
f = 1 x 10¹⁵ Hz
Frequency of light at 700 nm wavelengthf = c/λ
f = (3 x 10⁸) / (700 x 10⁻⁹)
f = 4.29 x 10¹⁴ Hz
Thus, the range of frequencies of visible light in a vacuum with wavelength between 300 nm to 700 nm is determined as 4.29 x 10¹⁴ Hz to 1 x 10¹⁵ Hz.
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Student A says, "Things like humans don't emit light." Student B says, "Humans emit light, but we just can't see it." Which student is correct?
Answer:
Yes
Explanation:
the human body is able to emit light but I. small portions often difficult for the human eye to see.
Driving safely at night requires seeing well not only in low light conditions, but also being able to see low contrast
Answer:
True
Explanation:
Driving safely at night requires seeing well not only under low light, but also requires drivers to see low-contrast objects.
An electron’s position cannot be known precisely. Only its probability of being in a certain location can be known true or false?.
The exact position of an electron cannot be known. Instead, we can calculate the probability that an electron is in a specific area based on electron cloud model.
What is electron cloud model?
The electron cloud model is a model of an atom in which the atom consists of a small but massive nucleus surrounded by a cloud of rapidly moving electrons.
The electron cloud model says that we cannot know exactly where an electron is at any given time, but the electrons are more likely to be in specific areas.
Thus, the exact position of an electron cannot be known. Instead, we can calculate the probability that an electron is in a specific area based on electron cloud model.
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need help on these questions
define relative velocity
A boat travels with a velocity equal to 14.0 meters per second, east in 6.15 seconds. What distance in meters does the boat travel?
Answer:
Distance, d is 86.1 meters.
Explanation:
Given the following data;
Time, t = 6.15secs
Velocity = 14m/s
Velocity can be defined as the rate of change in displacement (distance) with time. Velocity is a vector quantity and as such it has both magnitude and direction.
Mathematically, velocity is given by the equation;
\(Velocity = \frac{distance}{time}\)
\(V = \frac{d}{t}\)
\(d = Vt\)
Substituting into the above equation;
\(d = 14 * 6.15\)
d = 86.1m
Hence, the distance traveled by the boat is 86.1 meters.
Pre-questioning identifies a purpose for reading.
Please select the best answer from the choices provided
OT
O F
help pleaseeeee !!
Answer:
True
Explanation:
Pre-questioning may help a reader focus on information s/he hopes to find in the reading selection.
Answer:
True!!
Explanation:
I took the practice thing on edge :))
The tires of a car make 62 revolutions as the car reduces its speed uniformly from 90.0 km/h to 59.0 km/h. The tires have a diameter of 0.86 m.(A) What was the angular acceleration of the tires? (B) If the car continues to decelerate at this rate, how much more time is required for it to stop? (C) If the car continues to decelerate at how far does it go? Find the total distance.
A) Angular acceleration = -2.47 rad/s²
B) 23.54 seconds
C) The total distance covered = 294.23m
Explanations:The number of revolutions = 62
Angular distance, θ = 62 x 2π
θ = 62 x 2 x 3.142
θ = 389.608 radians
Diameter, d = 0.86 m
Radius, r = d/2 = 0.86/2
r = 0.43m
Initial velocity, v₁ = 90 km/h = 90 x (1000/3600)
v₁ = 25 m/s
Angular velocity, w₁ = v₁ / r
w₁ = 25/0.43
w₁ = 58.14 rad/s
Final velocity, v₂ = 59 km/h = 59 x (1000/3600)
v₂ = 16.39 m/s
Angular velocity, w₂ = v₂ / r
w₂ = 16.39 / 0.43
w₂ = 38.12 rad/s
Using the equation of motion:
\(\begin{gathered} w^2_2=w^2_1\text{ + 2}\alpha\theta \\ 38.12^2=58.14^2\text{ + 2}\alpha(389.608) \\ 38.12^2-58.14^2=\text{ }779.216\alpha \\ 779.216\alpha\text{ = }-1927.1252 \\ \alpha\text{ = }\frac{-1927.1252}{779.216} \\ \alpha\text{ = }-2.47rad/s^2 \end{gathered}\)Angular acceleration = -2.47 rad/s²
B) Amount of time required for the car to stop if it continues to decelerate at this rate
Initial angular speed, w₁ = 58.14 rad/s
When the car stops, final angular speed, w₂ = 0 rad/s
Using the equation of motion below:
\(\begin{gathered} w_2=w_1+\text{ }\alpha t \\ 0\text{ = 58.14 + (-2.47)t} \\ -2.47t\text{ = -58.14} \\ t\text{ = }\frac{-58.14}{-2.47} \\ t\text{ = }23.54\text{ seconds} \end{gathered}\)C) The total distance
Use the equation of motion below:
\(\begin{gathered} S=v_1\text{t + }\frac{1}{2}at^2 \\ a\text{ = }\alpha r \\ a\text{ = (-2.47)(0.43)} \\ a\text{ = }-1.0621m/s^2 \end{gathered}\)\(\begin{gathered} S=v_1\text{t + }\frac{1}{2}at^2 \\ S\text{ = }25(23.54)+0.5(-1.0621)(23.54)^2 \\ S\text{ = }588.5-294.27 \\ S\text{ = }294.23\text{ m} \end{gathered}\)The total distance covered = 294.23m
At low altitudes the altitude of a parachutist and time in the air are linearly related. A jump at 1,600 feet lasts 100 seconds. (A) Find a linear model relating altitude a (in feet) and time in the air t (in seconds). (B) Find the rate of change of the parachutist in the air. (C) Find the speed of the parachutist at landing.
A) The linear model relating altitude a (in feet) and time in the air t (in seconds) is a = 0.0625t + 1593.75.
B) The rate of change of the parachutist in the air is 0.0625 feet per second.
C) The speed of the parachutist at landing is 0.0625 feet per second.
A) To find a linear model relating altitude a (in feet) and time in the air t (in seconds), we can use the formula for a linear equation: y = mx + b, where y represents the altitude (a) and x represents the time in the air (t).
Given that the jump at 1,600 feet lasts 100 seconds, we have the following data points: (1600, 100).
We can use these data points to determine the slope (m) and the y-intercept (b) of the linear equation.
Using the formula for slope (m):
m = (y2 - y1) / (x2 - x1)
m = (100 - 0) / (1600 - 0)
m = 0.0625
Now we can substitute the slope value and one of the data points into the linear equation to solve for the y-intercept (b).
Using the point-slope form: y - y1 = m(x - x1):
a - 1600 = 0.0625(t - 100)
Simplifying the equation:
a - 1600 = 0.0625t - 6.25
a = 0.0625t + 1593.75
Therefore, the linear model relating altitude a (in feet) and time in the air t (in seconds) is: a = 0.0625t + 1593.75.
B) The rate of change of the parachutist in the air is equal to the slope of the linear equation. Therefore, the rate of change is 0.0625 feet per second.
C) To find the speed of the parachutist at landing, we can use the fact that speed is equal to the rate of change of distance with respect to time. In this case, it is equal to the rate of change of altitude with respect to time.
Since the rate of change of altitude is 0.0625 feet per second, the speed of the parachutist at landing is 0.0625 feet per second.
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Two coils,X and Y, having self inductances of 80mH and 60mH respectively, are magnetically coupled. Coil X has
200 turns and coil Y has 100 turns. When a current of 4A is reversed in coil X the change of flux in coil Y is
5mWb. Determine (a) the mutual inductance between the coils, and (b) the coefficient of coupling
The mutual inductance between the coils is 6.25μH. the coefficient of coupling between the coils is approximately 0.447.
The mutual inductance between the coils can be determined using the formula:M = (Δφ_Y) / (N_X * ΔI_X)
Where M represents the mutual inductance, Δφ_Y is the change in flux in coil Y, N_X is the number of turns in coil X, and ΔI_X is the change in current in coil X.
Plugging in the values given, we have: M = (5mWb) / (200 * 4A)
M = 5mWb / 800A
M = 6.25μH. Therefore, the mutual inductance between the coils is 6.25μH.
(b) The coefficient of coupling (k) can be calculated using the formula:
k = M / √(L_X * L_Y)
Where k represents the coefficient of coupling, M is the mutual inductance, L_X is the self-inductance of coil X, and L_Y is the self-inductance of coil Y.
Substituting the given values: k = (6.25μH) / √((80mH) * (60mH))
k = 6.25μH / √(4.8mH^2)
k ≈ 0.447. Therefore, the coefficient of coupling between the coils is approximately 0.447.
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a sequence of equally spaced timing pulses may be easily generated by which type of counter circuit?
A sequence of equally spaced timing pulses may be easily generated by a 'Ring counter circuit.'
A ring counter is a shift register (a cascade connection of flip-flops) with the output of the last flip-flop connected to the input of the first flip-flop. A ring counter is known as a circular shift register, that is, the output of the last flip-flop is connected to the input of the first flip-flop, with the structure of a shift register.
The most important benefit of a ring counter circuit is that it produces a series of equally spaced timing pulses, as well as reducing the complexity of the circuit. A Ring Counter is used to generate a repetitive pulse sequence, also known as a 'circular shift register,' which is used in digital circuits to store and transfer binary data.
It is a register with a clock input signal that can be either asynchronous or synchronous, depending on the application.
Therefore, the sequence of equally spaced timing pulses can be generated by a ring counter circuit.
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How would increasing the magnitude of the charges on two charged particles and decreasing the distance between the particles affect the strength of the electric force between the particles?
We know the formula
F=kq1q2/rSo
if magnitude of charge is increased the force between them also increased.
And if the distance between them is decreased them also the force will be increased.
So Force increases
Which of the following best describes the relationship between the flow rate of streams and the types of organisms that live in the streams?
A.
The faster the stream flows, the more plant life it contains.
B.
The slower the stream flows, the more plant life it contains.
C.
There is no relationship between the flow rate of streams and the organisms that live in them.
D.
The faster the stream flows, the more diverse its organisms are.
find a unit vector that has the same direction as the given vector.
Answer: we divide the vector by its magnitude.
Explanation:
\(\huge \bf༆ question༄\)
Three stones A, B , C are projected from surface of very long inclined plane with equal speeds and different angles of projection as shown in the figure. The incline makes an angle \( \theta \) with horizontal. if \( \sf {H_A , H_B and H_C} \) are maximum height attained by A, B and C respectively above inclined plane then choose the Correct choice among them ~
\( \sf{H_A + H_C = H_B }\)
\( \sf{H_A {}^{2} + H_C {}^{2} } = H_B {}^{2} \)
\( \sf H_A + H_C = 2 H_B \)
\(\sf H_A {}^{2} + H_C {}^{2} = 2 H_B {}^{2} \)
\(\large\underline{\underline{\maltese{\red{\pmb{\sf{\: Correct \: option \: is \: A) :-}}}}}}\)
\(\rule{300pt}{3pt}\)
\(\large{|\underline{\mathtt{\red{E}\blue{x}\orange{p}\pink{l}\blue{a}\purple{n}\green{a}\red{t}\blue{i}\green{o}\orange{n:-}}}}\)
\( \large \tt \red {H_{B} = \frac{u ^{2} }{2g \sin \theta } }\)\( \large \tt \orange { H_{A} = \frac{u ^{2} \sin ^{2} \alpha }{2g \sin \theta} }\)\( \large \tt \blue { H_{C} = \frac{u ^{2} \sin ^{2} (90 - \alpha )}{2g \sin \theta} = \frac{u ^{2} \cos ^{2} \alpha }{2g \sin \theta } }\)\( \large \tt \pink{⇒ H_{C} + H_{A} = H_{B}}\)
The resultant of the vectors is \(H_A + H_C = H_B\).
What is a resultant vector?A resultant vector is the vector sum of two or more vectors.
The given vectors;
Height of vector A = HAHeight of vector B = HBHeight of vector C = HCThe height of vector B is the resultant of the three given vectors.
When the vectors are drawn from head to tail, the vector B forms the resultant of the two other vectors (A and C).
Thus, the resultant of the vectors is \(H_A + H_C = H_B\).
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