A material point of mass m is located at the base of a smooth inclined plane making an angle a with the horizon. A force begins to act on it, changing over time according to the law: F = bt, where b is a positive constant. Force F is directed along the inclined plane. Determine the dependence of the speed of a material point on time.

Detailed solution with a short recording of the conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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