Task 10078.
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Determine the velocity and total acceleration at time point t = 2c, if it moves in a circle of radius R = 1m according to the equation x = At + Bt2, where A = 8m / c, B = -1m / c ^ 2. x - curvilinear coordinates measured from a point taken as the start, along the circumference.
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.