ch09-p125 - 125. From mechanical energy conservation (or...

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0 2 0 030 1440 2 =+ ¡ =− Va d a 2 9.3 2 (. ) in SI units (m/s 2 ). Thus, the net force during the decelerating process has magnitude M |a| = 5.0 × 10 6 N. 125. From mechanical energy conservation (or simply using Eq. 2-16 with G ag = downward) we obtain 2 2 2(9.8 m/s )(6.0 m) 10.8 m/s vg h == = for the speed just as the m = 3000-kg block makes contact with the pile. At the moment of “joining,” they are a system of mass
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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