Question

From the terrace of a building of height
H, you dropped a ball of mass m. It
reached the ground with speed v. Is
1
the relation mgH mv applicable
?
2
exactly? If not, how can you account
for the difference? Will the ball bounce
to the same height from where it was
dropped?
on line​

Answer 1

ANSWER:-

Let the ball dropped from the terrace of a building of height h have mass m. During free fall, the ball is acted upon by gravity (accelerating conservative force). ... Thus, the relation mgh = 1 2 mv 2 is not applicable when non-conservative forces are considered.