A rotating body has an angular momentum L. If its moment of inertia is doubled and angular velocity is halved, what will be the new angular momentum? (2021)
Practice Questions
1 question
Q1
A rotating body has an angular momentum L. If its moment of inertia is doubled and angular velocity is halved, what will be the new angular momentum? (2021)
L/2
L
2L
4L
New angular momentum L' = I'ω' = (2I)(ω/2) = L.
Questions & Step-by-step Solutions
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Q
Q: A rotating body has an angular momentum L. If its moment of inertia is doubled and angular velocity is halved, what will be the new angular momentum? (2021)
Solution: New angular momentum L' = I'ω' = (2I)(ω/2) = L.
