Solution of task 7.7.20 from the collection of Kepe OE

Solution of task 7.7.20 from the collection of Kepe OE

7.7.20
The point moves along a circle of radius R = 7 m according to the equation s = 0,7t2. Determine the coordinate s of the point at the time when its normal acceleration is an = 3 m / s2. (Answer 7.50)

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