Two hockey players, Aaron and Brunnhilde, are pushing two pucks on a frictionles

Question

Two hockey players, Aaron and Brunnhilde, are pushing two pucks on a frictionless ice rink. The pucks are initially at rest on the starting line. (Figure 1) Brunnhilde is pushing puck B, which has a mass three times as great as that of puck A, which Aaron is pushing. The players exert equal constant forces of magnitude F on their pucks, directed horizontally, towards the finish line. They start pushing at the same time, and each player pushes his or her puck until it crosses the finish line, a distance d away.

pA=pB
pA<pB
pA>pB
You need more information to decide.
Two hockey players, Aaron and Brunnhilde, are pushing two pucks on a frictionless ice rink. The pucks are initially at rest on the starting line. (Figure 1) Brunnhilde is pushing puck B, which has a mass three Times as great as that of puck A, which Aaron is pushing. The players exert equal constant forces of magnitude F on their pucks, directed horizontally, towards the finish line. They start pushing at the same time, and each player pushes his or her puck until it crosses the finish line, a distance d away. Let pA be the magnitude of the momentum of puck A at the instant it reaches the finish line. Similarly, pB is the magnitude of the momentum of puck B at the (possibly different) instant it reaches the finish line. Which of the following statements is true? Choose the best option. Choose the best option.

Explanation / Answer

option B)pA<pB

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