Solution of task 7.8.10 from the collection of Kepe OE

Solution of task 7.8.10 from the collection of Kepe OE

7.8.10
The equation of motion of a point along a curvilinear trajectory is given: s = 0,2t2 + 0,3t. Determine the total acceleration of the point at time t = 3 s, if at this time the radius of curvature of the trajectory? = 1.5 m. (Answer 1.55)

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