Using the principle of conservation of mechanical energy, consider the following question. A .260 kg volleyball is hit with an initial vertical velocity of -20 m/s and a height of 3.0 meters. How fast is the vertical velocity of the ball when it reaches a player on the opposing team at a height of .25 meters?

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Q: ±5% 150 Ω - series 330 Ω さらり Μ 220 Ω 15). + By 100 Ω -- 1000 Ω 1 ΚΩ +57 -- 470 Ω 15. .8V 0.008 Α

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