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1. The position function of a moving object is s(t) = tz(7 - t), t 2 0, where t is in seconds and s(t) is

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1. The position function of a moving object is s(t) = tz(7 - t), t 2 0, where t is in seconds and s(t) is the distance in metres. a) Calculate the object's velocity and acceleration at any time /. [2 Marks] b) When is the object speeding up and slowing down? [4 Marks]

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