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A tennis ball, starting from rest, rolls...


A tennis ball, starting from rest, rolls down the hill in the drawing. At the end of the hill the ball becomes airborne, leaving at an angle of `37^(@)` with respect to the ground treat the ball as a thin-walled spherical shell.
Q. Maximum height reached by ball `H` above ground is

A

`(9h)/(35)`

B

`(18h)/(35)`

C

`(18h)/(25)`

D

`(27h)/(125)`

Text Solution

Verified by Experts

`H=(v^(2)sin^(2)sin37^(@))/(2g)`
`=((6gh//5)(3//5)^(2))/(2g)=(27h)/(125)`
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