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A 1,4-kg object traveling at 5,5 m/s collides head-on with a 3-kg object traveling in the...

A 1,4-kg object traveling at 5,5 m/s collides head-on with a 3-kg object traveling in the opposite direction at 3,9 m/s. If the collision is perfectly elastic, what is the final speed of the 1,4-kg object? Answer in two decimal places. The answer is supposed to be 7,32. Why is that?

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genius_generous answered 2 years ago
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