71. The acceleration of a material point moving in a st

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Description 71. The acceleration of a material point moving in a st

71. The acceleration of a material point moving in a straight line varies as a = A + Bt, where A = 9 m / s2; B = -6 m / s3. Determine the speed υ point through t1 = 4 seconds after the beginning of the movement, as well as the x coordinate and the path s, passed the point of this period of time.

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

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