A 2-kg cart, traveling on a horizontal air track with a speed of 3 m/s, collides with a stationary 4-kg cart.The carts stick together.The impulse exerted by one cart on the other has a magnitude of:
A)0 N∙s
B)4 N∙s
C)6 N∙s
D)9 N∙s
E)12 N∙s

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The Answer of A 2-kg cart, traveling on a horizontal air track with a speed of 3 m/s, collides with a stationary 4-kg cart.The carts stick together.The impulse exerted by one cart on the other has a magnitude of:
A)0 N∙s
B)4 N∙s
C)6 N∙s
D)9 N∙s
E)12 N∙s

A 2-Kg Cart, Traveling on a Horizontal Air Track with a Speed