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A horizontal force F of variable magnitu...

A horizontal force `F` of variable magnitude and constant direction acts on a body of mass `m` which is initially at rest at a point `O` on a smooth horizontal surface. The magnitude of `F` is given by `F=beta+alphat` where `t` is the time for which the force has been acting on the distance of the body from `O` at time `t` , then `s` is equal to.

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