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OpenStudy (anonymous):
A car with a mass of 1,324 kilograms, traveling at a speed of 20 meters/second, crashes into a wall and stops. What is the kinetic energy after this perfectly inelastic collision?
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OpenStudy (ujjwal):
Since it crashes and "stops", the final KE will be zero!
OpenStudy (anonymous):
A ball moving at a velocity of 10 meters/second has a momentum of 8.0 kilogram meters/second. What is its mass?
OpenStudy (anonymous):
?????
OpenStudy (ujjwal):
momentum= mass \(\times\) velocity
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