Question

A ball of mass 0.02kg falls from a height of 5m. Find the initial potential energy of a ball. (take g=9.8 m/s²)​

Answer 1

Given : m=0.2kg,g=10ms−2,h1=10m,h2=6m.

Loss in P.E. =mg(h1−h2)

=0.2×10×10(10−6)

=0.2×10×4=8J

Answer 2

refer to the attachment

hope it helps you