Center of Mass Velocity Calculation · PhysicsBowl 2016 #26

Physics · mechanics

Problem

10.0 kg

mass moves to the right at

8.00 \frac{m}{s}

. A

5.0 kg

mass moves to the left at

7.00 \frac{m}{s}

. With what speed does the center of mass of this two-mass system move? (A)

7.67 \frac{m}{s}

(B)

7.50 \frac{m}{s}

(C)

3.00 \frac{m}{s}

(D)

2.00 \frac{m}{s}

(E)

0.50 \frac{m}{s}