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A stone of mass 0.2 kg is tied to one en...

A stone of mass 0.2 kg is tied to one end of a string of length 80 cm. Holding the other and, the stone is whiled into a vertical circle. The minimum speed of the stone and tension at the lowest point of circular path so that it just comletes the circle are

A

`5ms^(-1),10N`

B

`6.32ms^(-1),12N`

C

`6.32ms^(-1),10N`

D

`2ms^(-1),10N`

Text Solution

Verified by Experts

The correct Answer is:
B
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