Q.

Two masses A and B are connected with two inextensible string to write constraint relation between vA and vBStudent A:vAcosθ=vBStudent B: vBcosθ=vA

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a

A is correct, B is wrong

b

B is correct, A is wrong

c

Both are correct

d

Both are wrong

answer is A.

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Detailed Solution

Correct concept: Velocity of both ends of the string along the length of the string should be same. vB=vAcosθ
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Two masses A and B are connected with two inextensible string to write constraint relation between vA and vBStudent A:vAcosθ=vBStudent B: vBcosθ=vA