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Calculate the rock’s gravitational potential energy at 50 m, 20 m, 1 m, and 0 m high.​

Sagot :

Since the mass is not given, we will just derive is as the variable of m

If the height of the rock is 0m, there is no Potential Energy.

If the height of the rock is 1 m, the potential energy is just 9.8 times the mass of the rock.

At 20 m

PE = mgh

PE = (m)(9.8)(20)

PE = 196m

At 50 m

PE = mgh

PE = (m)(9.8)(50)

PE = 490m

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