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A smooth sphere of radius R is fixed on ...

A smooth sphere of radius R is fixed on a horizontal surface. A steel, moving horizontally with velocity `v_(0)=5sqrt(gR)`, collides with the sphere, changes its direction and moves with velocity v as shown. Then

A

`4sqrt(2)v_(0)=5sqrt(3)v`

B

`8v_(0)=5sqrt(3)v`

C

`5v_(0)=8sqrt(3)v`

D

`v=v_(0)`

Text Solution

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The correct Answer is:
B
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