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A person with outstretched arms, is spin...

A person with outstretched arms, is spinning on a rotating stool. He suddenly brings his arms down to his sides. Which of the following is true about his kinetic energy K and angular momentum L?

A

Both K and L increase

B

Both K and L remain unchanged

C

K remains constant, L increases

D

K increases but L remains constant

Text Solution

Verified by Experts

The correct Answer is:
D
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