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a ball dropped freely takes 0.2s to cross the last 6m distance before hitting the ground total time of fall

a ball dropped freely takes 0.2s to cross the last 6m distance before hitting the ground total time of fall

Grade:12

1 Answers

Sibashis ghosh
19 Points
7 years ago
 Use S = ut + ½ at2 where S=6m ,t=0.2s.a=10
you will get the value of u.
Now use v2 = u2 + 2as where v=u i.e the value which u got in the previous step and here u=0 as it is freely falling body.
Solve the eqn to get s.
Now total h=s+6m
calc time using t=(2h/g)1/2 .

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