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The ring R in the arrangement shown can ...


The ring R in the arrangement shown can slide along a smooth, fixed, horizontal rod XY. If is attached to the block B by a light sring. The blocks is released from rest, with the string horizontal.

A

One point in the string will have only vertical motion

B

R and B will always have momenta of the same magnitude

C

When the string becomes vertical, the speeds of R and B will be inversely proportional to their masses

D

R will lose contact with the rod at some point

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The correct Answer is:
A, C
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D MUKHERJEE-KINEMATICS, FORCES-Revision Exercise
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