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Questions  

A suitcase is gently dropped on a conveyor belt moving at 3 m/s. If the coefficient of friction between the belt and the suitcase is 0.5. Find the displacement of suitcase relative to conveyor belt before the slipping between the two is stopped (g = 10 m/s2)

a
2.7 m
b
1.8 m
c
0.9 m
d
1.2 m

detailed solution

Correct option is C

SInce the suitcase is slipping, retardation due to friction is given by:

a = -μMgM​=−μg

So

v2−u2 = 2as 

In the frame of the conveyer v=0  and u=3m/s

⟹−32 = −2μgs

⟹s = 0.9m

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