Answers

2014-07-31T15:31:15+05:30
Mass, m=100g
initial velocity, u=10m/s
final velocity, v=0m/s (as ball comes to rest)
time, t=0.2s

Acceleration, a=v-u/t
a=10-0/0.2
a=10/2/10
a=100/2
a=50m/s∧2

force, f =m*a
f=100*50
f=5000N
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