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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?

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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