Q.
In the figure, blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2.
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a
sinθ1sinθ2
b
sinθ2sinθ1
c
cosθ2cosθ1
d
cosθ1cosθ2
answer is C.
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Detailed Solution
From figure l1+l2=Cor dl1dt+dl2dt=0−v1cosθ1+v2cosθ2=0or v1v2=cosθ2cosθ1
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