3. A 1 kg ball travels at velocity v = +5 m/s horizontally to the right, hits a vertical wall, and bounces back to the left with velocity v = -5 m/s. What is the impulse exerted on the ball?
A)+10 kg m/s
B)-10 kg m/s
C)+5 kg m/s
D)-5 kg m/s

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The Answer of 3. A 1 kg ball travels at velocity v = +5 m/s horizontally to the right, hits a vertical wall, and bounces back to the left with velocity v = -5 m/s. What is the impulse exerted on the ball?
A)+10 kg m/s
B)-10 kg m/s
C)+5 kg m/s
D)-5 kg m/s

3 a 1 Kg Ball Travels at Velocity V =