The angular momentum of a particle about...

The angular momentum of a particle about origin is varying as L =4t+8(SI units) whern its moves along a straight line y=x-4(x,y in metres). The magnitude of force acting on the particle will be

A

1 N

B

2 N

C

`sqrt2 N`

D

`sqrt3 N`

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The correct Answer is:

C

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