The formula used to find potential energy is <em>P.E. = M * G * H</em> (P.E. is potential energy, M is mass, G is gravitational pull, and H is height). So the answer to your question is <em>5 * 9.8 * 2</em>, which equals 98.
Answer:
C. Because the force of friction is acting on the skateboard.
Explanation:
The wheels turn pretty freely on a skateboard but not forever. The friction involved in the wheel mechanism slows the skateboard to a stop.
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Answer:
<h2>Part a)</h2><h2>Momentum transferred by the ball</h2><h2>
</h2><h2>Part b)</h2><h2>Change in the velocity of the ball is</h2><h2>
</h2>
Explanation:
Velocity of the stone just before it will strike the Earth is given as
so we will have
Now by momentum conservation
Part a)
Momentum transferred by the stone is given as
Part b)
Change in velocity of Earth
Yes it would servive beacuse the fossils are dug down into the rockand unable to move
A battery is a device that stores chemical energy and converts it to electrical energy. Two terminals made of different chemicals (typically metals), the anode and the cathode; and the electrolyte, which separates these terminals.
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