A rotating object has an angular momentum L. If its moment of inertia is halved and angular velocity is doubled, what is the new angular momentum? (2022)
Practice Questions
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Q1
A rotating object has an angular momentum L. If its moment of inertia is halved and angular velocity is doubled, what is the new angular momentum? (2022)
L
2L
3L
4L
L = Iω, if I is halved and ω is doubled, L' = (1/2)(2ω) = L.
Questions & Step-by-step Solutions
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Q
Q: A rotating object has an angular momentum L. If its moment of inertia is halved and angular velocity is doubled, what is the new angular momentum? (2022)
Solution: L = Iω, if I is halved and ω is doubled, L' = (1/2)(2ω) = L.
