78. The disc of radius R = 10 cm is rotated so that the

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78. The disc of radius R = 10 cm is rotated so that the dependence of linear velocity of points lying on the rim of the disc, the time given by the equation υ = At + Bt2 (A = 0,3 m / s2; B = 0,1 m / s3) . Determine the angle α, which forms the complete acceleration vector and a radius through the wheel 2 from the beginning of the movement.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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