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gtnhenbr [62]
2 years ago
13

Which kind of inclined plane pushes up more? Steeper or flatter?

Physics
1 answer:
Viktor [21]2 years ago
7 0

Answer:

They should've sensed that it was easier as the board got steeper. A flatter inclined plane has to apply more upward force to support something (or someone) because gravity, pulling toward the center of the Earth, pulls the object more into the table.Explanation:

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A sled is moving at a constant speed down a surface inclined at 45 degrees with the horizontal and travels 30meter in 4 seconds.
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Constant speed along the inclined surface = 30 m / 4 s = 7.5 m/s

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A bowler who always left the same three pins standing could be considered a(n) ____ bowler.
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Light incident on a lake surface is partly reflected and partly refracted.What is the differences between the reflected ray and
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If your weight is 100N and you run up a flight of stairs that is 6 m high and it takes
fenix001 [56]

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5 0
3 years ago
A car is strapped to a rocket (combined mass = 661 kg), and its kinetic energy is 66,120 J.
aliina [53]

Answer:

9.43 m/s

Explanation:

First of all, we calculate the final kinetic energy of the car.

According to the work-energy theorem, the work done on the car is equal to its change in kinetic energy:

W=K_f - K_i

where

W = -36.733 J is the work done on the car (negative because the car is slowing down, so the work is done in the direction opposite to the motion of the car)

K_f is the final kinetic energy

K_i = 66,120 J is the initial kinetic energy

Solving,

K_f = K_i + W = 66,120 + (-36,733)=29,387 J

Now we can find the final speed of the car by using the formula for kinetic energy

K_f = \frac{1}{2}mv^2

where

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Solving for v, we find

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3 0
3 years ago
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