Angular Momentum MixedMediumQuestion 6198
Question
A child on merry-go-round (I₁=500 kg·m², ω=2 rad/s) walks to edge, increasing I to 600 kg·m². New ω:
- A2.4 rad/s
- B1.67 rad/sCorrect
- C2 rad/s
- D1.2 rad/s
Correct answer
1.67 rad/s
Explanation
L = 500×2 = 1000. ω = 1000/600 ≈ 1.67 rad/s.