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Torques of equal magnitude are applied t...

Torques of equal magnitude are applied to a thin hollow cylinder and a solid sphere, both having the same mass and radius. Both of them are free to rotate about their axis of symmetry. If `alpha_(c) and alpha_(s)` are the angular accelerations of the cylinder and the sphere respectively, then the ratio `(alpha_(c))/(alpha_(s))` will be

A

`5/2`

B

`5/4`

C

`4/5`

D

`2/5`

Text Solution

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The correct Answer is:
C
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