A block B is pushed momentarily along a horizontal surface with an initial velocity v

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A block B is pushed momentarily along a horizontal surface with an initial velocity v. If mu is the coefficient of sliding friction between B and the surface, block B will come to rest after a time.

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Explanation:

The block B will coming to the rest when the applied force will be equal to frictional force.

Now it can be written as

equal to frictional force

Final Answer:

The option (A) is correct.

solved 5

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