Physics, 24.11.2020 08:00 sotoamerica0814
A 2 kilogram rock is a the edge of a cliff 20 meters above a lake. The rock becomes loose and falls toward the water below. What is the potential energy of the rock at the top?
What is the kinetic energy at the top?
What is the potential enery of the rock half way down?
What is the kinetic energy of the rock half way down if the velocity at that point is 14 m/s?
Answers: 2
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If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?
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To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?
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A 2 kilogram rock is a the edge of a cliff 20 meters above a lake. The rock becomes loose and falls...
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