Question: If a ball is given a push so that it has an initial velocity of 5 mys rolling down a certain inclined plane, then the

If a ball is given a push so that it has an initial velocity of 5 mys rolling down a certain inclined plane, then the distance it has rolled after t seconds is s − 5t 1 3t 2.

(a) Find the velocity after 2 s.

(b) How long does it take for the velocity to reach 35 mys?

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