A dancer on ice spins faster when she folds her arm. This is due to
Physics · NEET · NTA Exams — Rotational motion
A dancer on ice spins faster when she folds her arm. This is due to
- increase in energy and decrease in angular momentum.
- increase in energy and increase in angular momentum.
- increase in kinetic energy and constant angular momentum.
- decrease in friction at the skates.
Answer
(C) increase in kinetic energy and constant angular momentum.
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