A 5.00 kg ball is traveling at 4.0 m/s and strikes a wall.The ball bounces off the wall with a velocity of 4.0 m/s in the opposite direction.If the contact with the wall by the ball lasts for 0.10 seconds,then the magnitude of the impulse on the ball is
A) 24 kg m/s.
B) 30 kg m/s.
C) 36 kg m/s.
D) 40 kg m/s.
E) 50 kg m/s.

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The Answer of A 5.00 kg ball is traveling at 4.0 m/s and strikes a wall.The ball bounces off the wall with a velocity of 4.0 m/s in the opposite direction.If the contact with the wall by the ball lasts for 0.10 seconds,then the magnitude of the impulse on the ball is
A) 24 kg m/s.
B) 30 kg m/s.
C) 36 kg m/s.
D) 40 kg m/s.
E) 50 kg m/s.

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