A 4.0 kg object is moving at 5.0 m/s NORTH.It strikes a 6.0 kg object at rest.The objects have an elastic collision and move in the NORTH or SOUTH direction.The velocity of the 6.0 kg object after the collision is
A) 0.0 m/s.
B) 1.0 m/s SOUTH.
C) 4.0 m/s SOUTH.
D) 1.0 m/s NORTH.
E) 4.0 m/s NORTH.

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The Answer of A 4.0 kg object is moving at 5.0 m/s NORTH.It strikes a 6.0 kg object at rest.The objects have an elastic collision and move in the NORTH or SOUTH direction.The velocity of the 6.0 kg object after the collision is
A) 0.0 m/s.
B) 1.0 m/s SOUTH.
C) 4.0 m/s SOUTH.
D) 1.0 m/s NORTH.
E) 4.0 m/s NORTH.

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