Asked by bob

a 20 kg rock is on the edge of a 100 m cliff . the rock falls from the cliff , what is its kinetic energy just before it hits the ground ?
Answered by drwls
M*g*H

H = 100 m
M = 20 kg
g = 9.8 m/s^2

The answer will be in Joules.
Answered by joules
can you give me the answer
Answered by Dude
Is basically 9.8 times 100 times 20 thats ur answer fool
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