A ball is dropped from a height of 5m

Asked by admin @ in Physics viewed by 289 People

A ball is dropped from a height of 5m onto a sandy floor and penetrates the sand up to 10cm before coming to rest. Find the retardation of the ball in sand assuming it to be uniform

Answered by admin @


Ahoy !
_______________________________
s = 10/ 100
s = 0.1 m
_______________________________
velocity = root x 2 x g x h
= root 2 x 10 x 5
= root 100
= 10 m/ s
_______________________________
v^2 - u^2 = 2x a x s
_______________________________
100 = 2 x a x 0.1
a = 500 m/s^2
_______________________________
Hope it helps you :)

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