72. The ball, placed on the upper end of the coil spring, the spring compresses to x0 = 2 mm. Determine the spring will compress the same ball thrown vertically downward from the height of h = 15 cm with a speed υ0 = 1,5 m / s. Strike the ball on a spring considered absolutely elastic.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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