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Physics, 11.02.2020 00:28 nhu78

You stand on a skateboard at rest and throw a rock at 5 m/sec. You move back at 0.5 m/sec. What is the combined mass of you and the skateboard.

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You stand on a skateboard at rest and throw a rock at 5 m/sec. You move back at 0.5 m/sec. What is t...
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