A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.00 s. At...

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Physics

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...the end of this time, the boat conti? A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.00 s. At the end of this time, the boat continues for an additional 6.30 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.60 s.
(a) What is the velocity of the boat at t = 21.9 s?
_____m/s

(b) Find the total displacement of the boat.
______m
 
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