Solution of task 7.8.3 from the collection of Kepe OE

Solution of task 7.8.3 from the collection of Kepe OE

7.8.3
The point moves along a curvilinear trajectory with tangential acceleration a? = 1.4 m / s2. Determine the normal acceleration of the point at the time when its total acceleration is a = 2.6 m / s2. (Answer 2.19)
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