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SAT, 23.10.2021 15:40 lizredrose5

during a snowball fight, two balls with masses 0.4 and 0.6 kg collide head on and form a single mass. each snowball had an initial velocity of 15 m/s. what is the speed of the mass, immediately after collision?

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during a snowball fight, two balls with masses 0.4 and 0.6 kg collide head on and form a single mass...

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