Impulse and Center of Mass Motion
A 60 kg ice skater, initially at rest, throws a 0.5 kg ball horizontally. As a result, the skater moves backward at 0.4 m/s. Immediately after the throw, an external horizontal force of 2.0 N acts on the skater-ball system for 0.1 s. What is the final velocity of the system’s center of mass?
A
0.4 m/s in the direction opposite the force
B
0 m/s
C
0.2 m/s in the direction of the force
D
0.0033 m/s in the direction of the force
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