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A rotating object has an angular momentum of 15 kg·m²/s. If its moment of inertia is 3 kg·m², what is its angular velocity?

Practice Questions

1 question
Q1
A rotating object has an angular momentum of 15 kg·m²/s. If its moment of inertia is 3 kg·m², what is its angular velocity?
  1. 5 rad/s
  2. 10 rad/s
  3. 15 rad/s
  4. 20 rad/s

Questions & Step-by-step Solutions

1 item
Q
Q: A rotating object has an angular momentum of 15 kg·m²/s. If its moment of inertia is 3 kg·m², what is its angular velocity?
Solution: Angular momentum L = Iω, thus ω = L/I = 15 kg·m²/s / 3 kg·m² = 5 rad/s.
Steps: 0

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