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chp2 problem26 soln

Physics: Principles with Applications

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http://www.hwproblems.com/cgi-bin/book.cgi?bookid=0044&cptn=2pr26&id=62762 If a body is moving with a constant acceleration, its final velocity , the initial velocity , the displacement , and the elapsed time are related as . Solve for . It is given that the car leaves skid marks 92 m long on the high way with a deceleration of
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Unformatted text preview: , in coming to a stop. So the acceleration is negative, the displacement is 92 m, and the final velocity is zero. Substitute the known values and find . So, the speed of the car just before braking was . http://www.hwproblems.com/cgi-bin/book.cgi?bookid=0044&cptn=2pr26&id=62762 [1/31/2008 12:12:11 PM]...
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