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August 27, 2015

Homework Help: Physics

Posted by Robert on Sunday, January 22, 2012 at 3:07pm.

A speedboat starts from rest and accelerates at +1.98 m/s2 for 8.25 s. At the end of this time, the boat continues for an additional 5.58 s with an acceleration of +0.348 m/s2. Following this, the boat accelerates at -1.42 m/s2 for 7.22 s. (a) What is the velocity of the boat at t = 21.05 s? (b) Find the total displacement of the boat.

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