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Physics, 23.02.2021 02:40 prissydizzybella5

A 20 kg rock is on the edge of a 100 meter cliff. What is the potential energy of the rock and if the rock falls off the cliff,

what is its kinetic energy just before striking the ground?

a 361.4 kJ

b 1kJ. 1 kJ

C 19.6 kJ, 19.6 kJ

d 10 kl. 5.5 ku

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