A body, having kinetic energy k, moving on a rough horizontal surface, is stopped in a distance x. The force of friction exerted on the body is (1) k x (2) k x (3) k x (4) kx

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Vikas TU · Answer

From Work Energy Theorem, Wtotal = change in kinetic enrgy -f*x = 0 – k f = k/x is the required friction force.

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A body, having kinetic energy k, moving on a rough horizontal surface, is stopped in a distance x. The force of friction exerted on the body is (1) k x (2) k x (3) k x (4) kx

A body, having kinetic energy k, moving on a rough horizontal surface, is stopped in a distance x. The force of friction exerted on the body is (1) k x (2) k x (3) k x (4) kx

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A body, having kinetic energy k, moving on a rough horizontal surface, is stopped in a distance x. The force of friction exerted on the body is (1) k x (2) k x (3) k x (4) kx

A body, having kinetic energy k, moving on a rough horizontal surface, is stopped in a distance x. The force of friction exerted on the body is (1) k x (2) k x (3) k x (4) kx

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