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A sphere rolls down on an inclied plane ...

A sphere rolls down on an inclied plane of inclination `theta`. What is the acceleration as the sphere reaches bottom ?

A

`(5)/(7) g sin theta`

B

`(3)/(5) g sin theta`

C

`(2)/(7) g sin theta`

D

`(2)/(5) g sin theta`

Text Solution

Verified by Experts

The correct Answer is:
A
Acceleration `(a)= (g sin theta)/(1+ (K^(2))/(R^(2)))= (g sin theta)/(1 + (2)/(5))= (5)/(7) g sin theta`
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