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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A 2 kilogram rock is a the edge of a cliff 20 meters above a lake. The rock becomes loose and falls...