Question: The position function of a moving object is s(t) = t 5/2 (7-t), t>=0, in metres, at time t in seconds. 1) When is its

The position function of a moving object is s(t) = t5/2(7-t), t>=0, in metres, at time t in seconds.

1) When is its acceleration positive?

2) When does the object return to its original position?

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