At the same instant that a 0.50-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 m/s ... They move along nearby lines and pass each other without colliding. At the end of 2.0 s the. height above Earth's surface of the center of mass of the two-ball system is?

Question

Elisabeth Gregory

Physics

6 April, 19:12

At the same instant that a 0.50-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 m/s ... They move along nearby lines and pass each other without colliding. At the end of 2.0 s the. height above Earth's surface of the center of mass of the two-ball system is?

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Josue Salinas · Answer 1

In your question when a 0.5kg ball is dropped from 25m above Earth, a second ball with a mass of 0.25 kg is thrown straight upward from the earth with an initial speed of 15m/s. I think the center of mass is 6.25 kg m/s