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A block of mass m is tied to a string of...

A block of mass `m` is tied to a string of length `L` and the assembly is kept on a smooth horizontal table as shown in the figure. Now the other end of the string is moved with a constant velocity `v_(0)hatj`. (`xy` plane is the plane of the table) Then

A

`m` will execute an oscillatory motion.

B

`m` will follow a circular path as seen fro the ground.

C

Angular momentum of `m` will remain conserved about the other end.

D

Angular momentum of `m` will remain conserved about the origin.

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