Physics, 12.02.2020 05:46 mountassarhajar2008

At the same instant that a 0.5 kg ball is dropped from 25 m above Earth, a second ball, with a mass of 0.25 kg is thrown straight upward from Earth's surface with an initial speed of 15.mls. They move along nearby lines and pass without colliding . At the end o 2.0 s the velocity of the center of mass of the two-ball system is :

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At the same instant that a 0.5 kg ball is dropped from 25 m above Earth, a second ball, with a mass...

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