Jordan throws a marble upward with a speed vi , while Marisa drops a marble at the same instant. While they are in flight, which of the following is true?
1.Jordan's marble has a greater acceleration than does Marisa's.
2.The accelerations cannot be determined from the information given.
3.They have the same acceleration.
4.Marisa's marble has a greater acceleration than does Jordan's.
3
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A 4.00 kg object is moving at 5.00 m/s EAST. It strikes a 6.00 kg that is at rest. The objects have an elastic collision. The velocity of 4.00 kg object after the collision is in the SOUTHWEST direction. The velocity of the 6.00 kg object after the collision is
A. 2.38 m/s. B. 3.02 m/s. C. 3.51 m/s. D. 4.06 m/s. E. 5.22 m/s.
Two charged particles near each other are released. As they move, the force on each particle increases. Therefore, the particles have
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