Solving a problem in physics section 52 point 64 mechan

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64. The motion of a point given by the equation r (t) = i (A + Bt2) + jCt, where A = 10 m, B = 5 m / s2, C = 10 m / s. Draw the trajectory of the point. Find expression υ (t) and a (t). For the time t = 1 to calculate:
1) unit rate | υ |;
2) module of acceleration | a |;
3) the tangential acceleration module | aτ |;
4) normal acceleration module | AN |.

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

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