Disc radius 0.1m rotates around a fixed axis so that its angle of rotation varies as f = 0,1t ^ 3-t (rad). Find normal, tangential and total acceleration points lying at a distance R / 4 from the edge of the disc at the time of 10 seconds.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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