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A small ball (of negligible size) is pla...

A small ball (of negligible size) is placed over a sphere of same mass and radius 1 m as shown. All surface are smooth. A slight push is given to the ball. When the radius vector joining the ball makes an angle of `30^(@)` with the vertical, speed of sphere is `v. (g = 10 m//s^(2))`
Value of `v` in m/s is

A

0.9

B

1.6

C

2.4

D

0.4

Text Solution

Verified by Experts

The correct Answer is:
A
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