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Questions  

In each of the three arrangements, the block of mass m1 is being pulled left with constant velocity. There is no friction anywhere. The strings are light and inextensible and pulleys are massless. The ratio of the speed of the block of mass m2 in the three cases respectively is: 

a
2:1:4
b
2:4:1
c
4:2:1
d
Cannot be calculated

detailed solution

Correct option is A

v1:v2:v3=1:0.5:2=2:1:4

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