APFIVE System Choice and Angular Momentum Conservation
Two ice skaters of equal mass initially at rest push off each other. Skater A moves with velocity v while skater B moves with velocity -v. For which system choice is angular momentum NOT conserved about their initial center of mass?
A
The Earth and both skaters
B
Both skaters together
C
The ice rink and both skaters
D
Skater A alone
Question Leaderboard
| Rank | |||||
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| #1 | dxie26808 | 1 | 1 | 0m 00s | 100 |
| #2 | mullameh001 | 1 | 1 | 0m 28s | 72 |
| #3 | fsfa.alsharif | 1 | 1 | 1m 51s | -11 |
| #4 | luke.duff | 2 | 2 | 9m 32s | -372 |
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