A ball of mass 100 g falls from rest vertically downwards through a distance of 40m and hits the ground. Find the kinetic energy and final velocity of the ball before it hits the ground (g = 9.8 ms^(-2))

A ball of mass 100 g falls from rest vertically downwards through a di

1.	A ball of mass 100 g falls from rest vertically downwards through a distance of 40m and hits the ground. Find the kinetic energy and final velocity of the ball before it hits the ground (g = 9.8 ms^(-2))
Answer» ANSWER :39.2 J, 28 `MS^(-1)`