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Questions  

In the figure, blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2.

a
sin⁡θ1sin⁡θ2
b
sin⁡θ2sin⁡θ1
c
cos⁡θ2cos⁡θ1
d
cos⁡θ1cos⁡θ2

detailed solution

Correct option is C

From figure l1+l2=Cor  dl1dt+dl2dt=0−v1cos⁡θ1+v2cos⁡θ2=0or v1v2=cos⁡θ2cos⁡θ1

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