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At the same instant that a 0.50 kg ball is dropped from 25 m above earth, a second ball, with a mass of .25 kg, is thrown straight upward from earth's surface with an initial speed of 15 m/s.
they move along nearby lines and pass each other without colliding. at the end of the 2s:
a. what is the height above earth's surface of the center of mass of the two-ball system?
b: what is the velocity of the center of mass of the two-ball system?
c: what is the magnitude of the acceleration of the center of the mass of the two-ball system?
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At the same instant that a 0.50 kg ball is dropped from 25 m above earth, a second ball, with a mass...
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