Question: A 20-kg block is at rest on an incline when a constant horizontal force P is applied to it. The static and kinetic coefficients of

A 20-kg block is at rest on an incline when a constant horizontal force P is applied to it. The static and kinetic coefficients of friction between the block and the incline are 0.4 and 0.3, respectively. Knowing that the speed of the block is 15 m/s after 6 s, determine the magnitude of P.

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