Two Air Track Carts Move Along an Air Track Towards

question 49

Multiple Choice

Two air track carts move along an air track towards each other. Cart A has a mass of 450 g and moves toward the right with a speed of 0.850 m/s and air track cart B has a mass of 300 g and moves toward the left with a speed of 1.12 m/s. What is the total momentum of the system?

• A) 0.047 kg∙m/s toward the right
• B) 0.719 kg∙m/s toward the right
• C) 0.719 kg∙m/s toward the left
• D) 0.750 kg∙m/s toward the right
• E) 0.750 kg∙m/s toward the left

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