antoniochambers611 antoniochambers611

13-12-2022
Physics

contestada

Three rocks are dropped from equal heights. Rock A has a mass of 2 kg, rock B has a mass of 5 kg, and rock C
has a mass of 9 kg. At the moment just before they hit the ground, which rock has the greatest kinetic energy?

A. Rock A
B. Rock B
C. Rock C
D. All have same kinetic energy

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