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A stone drop from height h reaches to ea...

A stone drop from height `h` reaches to earth surface in 1 sec. if the same stone taken to moon and drop freely then it will reaches from the surface of the moon in the time (the 'g' of moon is 1/6 times of earth)-

A

`sqrt(6)` second

B

9 second

C

`sqrt(3)` second

D

6 second

Text Solution

Verified by Experts

The correct Answer is:
A
`t=sqrt((2h)/(g))=1` sec, `t'=sqrt((2h)/(g))=sqrt(6)sqrt((2h)/(9))=sqrt(6)sec`
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