question archive An argon atom with a mass of 6
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An argon atom with a mass of 6.63X10-26 kg travels at 17 m/s, right and strikes another identical argon atom dead centre travelling at 20 m/s, left. The first atom rebounds at 20 m/s, left while the second atom moves at 17 m/s, right. Determine if the collision is elastic.
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