Question

An object of mass m is moving with a constant velocity v.How much workdone should be done on the object in order to bring the object to rest.

Answer 1

An object of mass, m is moving with a constant velocity, v. How much work should be done on the object in order to bring the object to rest. This is the energy of the objectwith which the body is moving, hence same amount of energy is required to stop the body.

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