Solution of task 7.7.9 from the collection of Kepe OE

Solution of task 7.7.9 from the collection of Kepe OE

7.7.9
A graph is given of the change in the curvilinear coordinate s = s (t) of the motion of a point along a circle of radius R. Find the time t when the normal acceleration of the point an = 0. (Answer 1)

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