28. Alyssa having a mass 52.39 kg is resting on a frictionless horizontal surface. She was hit by a 0.66 kg volleyball with a speed of 17.28 m/s to the right. Assuming the collision is elastic, what is the kinetic energy of the system before the collision?

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A: GivenFyb=F=31 Mmb=7 kgmc=5.5 kgr=0.4 mk=135 N/mμs=0.61μk=0.33

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A: Detailed solution of given question is given in below steps.

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Q: Part (d)  The gravitational constant may also be calculated by analyzing the motion of a rocket. Sup...

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Q: 7. A current of 2 A flows through a 2 resistor when connected across a battery. The same battery sup...

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