a ball dropped from a height on earth strikes the ground in 2 seconds. if the height from which it is dropped is doubled, Calculate the time taken by the ball to strike the ground?
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hey friend!!!!!
your answer is "2root2"
explaination..
s=ut+1/2gt2
Since the ball was at rest before dropping, u=0
So in the given case, we have,
S =h
then we have
h = 1/2gt2
so.. " h is directly proportional to t2"
then see in the picture..
hope it will help you
your answer is "2root2"
explaination..
s=ut+1/2gt2
Since the ball was at rest before dropping, u=0
So in the given case, we have,
S =h
then we have
h = 1/2gt2
so.. " h is directly proportional to t2"
then see in the picture..
hope it will help you
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Deepsbhargav:
thank you
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