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87. In central perfectly elastic collision moving body mass m1 hits the stationary body weight m2, bringing the speed of the first body decreases n = 1,5 times. To determine: 1) the ratio of m1 / m2; 2) kinetic energy T2 of the second body, if the initial kinetic energy of the first body T1 = 1000 J.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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