If the kinetic energy of a rotating body about an axis is decreased by 36%, its angular momentum about that axis is

Question

If the kinetic energy of a rotating body about an axis is decreased by 36%, its angular momentum about that axis is

If the kinetic energy of a rotating body about an axis is decreased by 36%, its angular momentum about that axis is
A. increases by 72%
B. decreases by 72 %
C. increases by 20%
D. decreases by 20%

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`(L_(2)-L_(1))/(L_(1))=(1)/(2)(Delta KE)/(KE_(1))`

5 views Answered 2023-02-05 15:29