Question

Body A of mass 3 kg and body B of mass 10 kg are dropped simultaneously from a height of 14.9 m . Calculate their momenta , potential energies and kinetic energies when they are 10 m above the ground

Answer 1

Explanation:

now, P.E(a)=mgh=3×9.8×10=29.4J

P.E(b)=10×9.8×10=980J