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129. A body starts rolling down an inclined plane of length L and height h. This body reaches the bottom of the plane in time t. The relation between L and t is 

(a)     t∝L

(b)     t∝1/L

(c)     t∝L2

(d)     t∝1/L2

Ans. a

(24)

5/5 - (1 vote)

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