Question 12

Body A of mass 3 kg is moving in the + x-direction with a speed of 14 m/s. Body B of mass 4 kg is moving in the - y-direction with a speed of 7 m/s. What are the x- and y-components of the velocity of the center-of-mass of the two bodies?

• A.    14 m/s, -7 m/s
• B.    7 m/s, -21 m/s
• C.    2 m/s, 2 m/s
• D.    6 m/s, -4 m/s

Formula Sheet

Question 11

Question 13

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