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OpenStudy (anonymous):
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OpenStudy (anonymous):
A 0.400kg ice puck, moving east with a speed of 3.40m/s , has a head-on collision with a 0.800kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed of the 0.400kg object after the collision?
OpenStudy (anonymous):
@Hero
OpenStudy (anonymous):
i tried and got the answer but it still wrong...
OpenStudy (anonymous):
i got -1.13
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