Solution of task 13.3.5 from the collection of Kepe OE
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13.3.5
A material point M of mass m = 8 kg moves in a horizontal plane along a circle of radius R = 18 m. Determine the angle? In degrees between the force F and the velocity v at the time when the velocity of the point v = 3 m / s, and the tangential acceleration a? = 0.5 m / s2. (Answer 45)