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**Unformatted text preview: **http://www.hwproblems.com/cgi-bin/book.cgi?bookid=0044&cptn=4pr45&id=489216 All the values needed above are known except the acceleration , which we need to calculate from the given data. The bobsled is at rest initially, so the initial velocity , the final velocity , and the distance . The equation relating the initial and final velocities and the distance traveled is Substitute the known values in the equation. Solve for . Substitute for , for , for , for , and 0.10 for in equation (1). Therefore, the required force is . http://www.hwproblems.com/cgi-bin/book.cgi?bookid=0044&cptn=4pr45&id=489216 (2 of 2) [2/4/2008 4:05:37 PM]...

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