Question From Kinematics

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A person sitting on the top of a tall building is droping ball at regular intervals of one seconds .Find the position of 3rd,4th,and5th ball when the sixth ball is being dropped.

#Physics #General Physics

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2 Answers

1

mohit sengar ·2010-06-25 10:04:31

when the sith ball is being dropped ,3rd ball has completed 3sec of its journey, therefore position of 3rd ball is x= 1/2gt² =1/2*9.8*9=44.1m . Similarly we can find position of 4th and 5th ball by taking time as 4and 5 sec respectively.

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6

AKHIL ·2010-07-22 11:18:07

when 6th ball is dropped

5th ball has completed 1 sec
4th ball 2 seconds
and 3rd ball 3 seconds

for each ball u = 0 and a=g

using second eqn of motion find s for each..

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