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A mass m = 100 gm is attached at the end...

A mass m = 100 gm is attached at the end of a light spring which oscillates on a frictionless horizontal table with an amplitude equal to 0.16 metre and time period equal to 2 sec. Initially the mass is released from rest at t = 0 and displacement x = –0.16 metre. The expression for the displacement of mass at any time t is

A

`x=0.16 cos (pit)`

B

`x=-0.16 cos (pit)`

C

`x=0.16 cos (pit+ pi)`

D

`x=-0.16 cos (pit+ pi)`

Text Solution

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The correct Answer is:
B
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