Entering the Freeway a car sits in an entrance ramp to a freeway, waiting for a break

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Entering the Freeway a car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver accelerates with constant acceleration along the ramp and onto the freeway.
The car starts from rest, moves in a straight line, and has a speed of 20 m/s (45 mi/h) when it reaches the end of the 120-m-long ramp.
(a) What is the acceleration of the car?
(b) How much time does it take the car to travel the length of the ramp?
(c) The traffic on the freeway is moving at a constant speed of 20 m/s. What distance does the traffic travel while the car is moving the length of the ramp?
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Related Book For  answer-question

University Physics with Modern Physics

ISBN: 978-0321501219

12th Edition

Authors: Hugh D. Young, Roger A. Freedman, Lewis Ford

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