The metal ball falls vertically on the marble

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Uploaded: 29.01.2014
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Description

The metal ball falls vertically onto the marble floor from a height of 80 cm and bounces off it to a height of 72 cm. Determine the recovery rate of the material of the ball.

Additional information

Task 10225. Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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