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Questions  

A block sliding down on a rough 450 inclined plane has half the velocity it would have been, the inclined plane is smooth. The coefficient of sliding friction between the block and the inclined plane is

a
14
b
34
c
122
d
12

detailed solution

Correct option is B

v2 - u2 = 2asVR=2glsin⁡θ−μkcos⁡θ,VS=2glsin⁡θ

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