Find the average velocity over the time interval 03 if the


1. Find the average velocity over the time interval [0,3] if the displacement is given by s(t)=t3-1.4t2+1.7t+5. Round your answer to two decimal places.

2. A particle moves in a straight line in such a way that the position in time is given by s(t)=t3-5.5t2+2.8t+1. Starting from time=0, when is the first time that the particle starts moving in the negative direction?

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Mathematics: Find the average velocity over the time interval 03 if the
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