APFIVE System Choice and Angular Momentum Conservation
Two ice skaters of equal mass are initially at rest. After they push off from each other, Skater A moves with velocity v and Skater B moves with velocity -v. For which of the following systems is angular momentum about their initial center of mass NOT conserved?
A
Both skaters together
B
The ice rink and both skaters
C
Skater A alone
D
The Earth and both skaters
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #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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