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A mass is whirled in a circular path wit...

A mass is whirled in a circular path with an angular momentum `L`. If the length of string and angular velocity, both are doubled, the new angular momentum is

A

L

B

4L

C

8L

D

16L

Text Solution

Verified by Experts

The correct Answer is:
C
`L = mromega^(2) rArr L prop romega^(2)`
`:. L_(2) = L_(1) xx ((r_(2))/(r_(1)))((omega_(2))/(omega_(1)))^(2)`
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