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Starting from rest, a truck travels in a straight line for 7.0 s with a uniform...

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Physics

Starting from rest, a truck travels in a straight line for 7.0 swith a uniform acceleration of +1.6 m/s2. The driver then appliesthe brakes for 3.0 s, causing a uniform acceleration of −2.0 m/s2over that time. (a) What is the truck's speed at the end of thebraking period? (b) What is the total distance traveled by thetruck (from the point where it started at rest to the end of thebraking period)

Answer & Explanation Solved by verified expert
3.8 Ratings (473 Votes)
a The truck starts from rest So the initial velocity of thetruck is u 0ms For t1 7s the acceleration of the truck    See Answer
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