Solution of task 14.3.2 from the collection of Kepe OE
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14.3.2
On a material point weighing 1 kg, the force of constant direction acts, the value
Which varies according to the law F = 5 cos? T. Determine the speed of this point at time
T = 0.5 s, if the initial velocity of the point is v0 = 1.5 m / s. (Answer 3.09)