A car starts from rest and travels for 5.0s with a uniformacceleration of 1.5m/s2. The driver then applies thebrakes, causing a uniform acceleration of -2.0m/s2. Ifthe brakes are applied for 3.0s, (a) how fast is the car going atthe end of the braking period, and (b) how far has the cargone?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 23P: The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows...
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A car starts from rest and travels for 5.0s with a uniformacceleration of 1.5m/s2. The driver then applies thebrakes, causing a uniform acceleration of -2.0m/s2. Ifthe brakes are applied for 3.0s, (a) how fast is the car going atthe end of the braking period, and (b) how far has the cargone?

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