53. Ball mass m1 = 10 kg, moving with speed υ1 = 4 m / s collides with the ball mass m2 = 4 kg, which is equal to the speed υ2 12 m / s. Assuming a direct kick, inelastic, find the speed u balls after hitting two cases: 1) small bowl catches a large ball moving in the same direction; 2) the balls are moving towards each other.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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