Solution of task 7.4.12 from the collection of Kepe OE

Solution of task 7.4.12 from the collection of Kepe OE

7.4.12
The position of the point on the plane is determined by its radius vector r = 0.3t2i + 0.1t3j. Determine the modulus of acceleration of the point at time t = 2 s. (Answer 1.34)

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