Solution of task 7.7.17 from the collection of Kepe OE

Solution of task 7.7.17 from the collection of Kepe OE

7.7.17
The equation of motion of the point along the trajectory s = 0.6t2 is given. Determine the normal acceleration of the point at the time when its coordinate s = 30 m and the radius of curvature of the trajectory? = 15 m. (Answer 4.80)

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