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Physics, 21.01.2022 15:20 trillralyn4060

A 30 kg boy on a skateboard throws a 0.7 kg basketball to his friend. To his surprise, he moves backwards after he throws the ball is thrown at 5 m/s, what is the velocity of the the skateboard?

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A 30 kg boy on a skateboard throws a 0.7 kg basketball to his friend. To his surprise, he moves back...

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