For 10 seconds, a racer accelerates at a=5t+2t m/s2 after starting at rest. After that, the brakes are applied and the vehicle accelerates at a steady rate of a=-30 m/s2 until it comes to a stop. Calculate the maximum velocity

For 10 seconds, a racer accelerates at a=5t+2t m/s2 after starting at rest. After that, the brakes are applied and the vehicle accelerates at a steady rate of a=-30 m/s2 until it comes to a stop. Calculate the maximum velocity

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section2.3: Acceleration

Problem 2.2QQ: True or False? (a) A car must always have an acceleration in the same direction as its velocity. (b)...

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Question

For 10 seconds, a racer accelerates at a=5t+2t m/s² after starting at rest. After that, the brakes are applied and the vehicle accelerates at a steady rate of a=-30 m/s² until it comes to a stop. Calculate the maximum velocity.

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