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OpenStudy (anonymous):
Object A has of mass 7.20 kilograms, and object B has a mass of 5.75 kilograms. The two objects move along a straight line toward each other with velocities +2.00 meters/second and -1.30 meters/second respectively. What is the total kinetic energy of the objects after the collision, if the collision is perfectly elastic?
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OpenStudy (jh3power):
7.20*1/2*2^2 + 5.75 *1/2*(1.30)^2
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