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Which is constant, the earth revolving a...

Which is constant, the earth revolving around the sun ?

A

Angular momentum

B

Linear momentum

C

Rotational kinetic energy

D

Kinetic energy

Text Solution

Verified by Experts

The correct Answer is:
A
Kepler’s second law
`(dA)/(dt) = L/(2m)`
`(dA)/(dt) =` constant
L = constant
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