Figure shows two blocks, each of mass m. The system is released from rest. If accelerations of blocks
A and B at any instant (not initially) are a₁ and a₂, respectively, then
.

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a1=a2cos⁡θ

a2=a1cos⁡θ

a1=a2

None of these

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Correct option is D

Let at any time, their velocities are v1 and v2, respectively.Then v1=v2cos⁡θDifferentiating: a1=a2cos⁡θ−v2sin⁡θdθdtHence, none of them is correct.[Note: Option (a) is correct initially, because initially v2=0]

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Figure shows two blocks, each of mass m. The system is released from rest. If accelerations of blocks A and B at any instant (not initially) are a1 and a2, respectively, then .

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Figure shows two blocks, each of mass m. The system is released from rest. If accelerations of blocks
A and B at any instant (not initially) are a₁ and a₂, respectively, then
.