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The earth revolves about the sun in an e...

The earth revolves about the sun in an elliptical orbit with mean radius `9.3xx10^(7) m` in a period of 1 year. Assuming that there are no outside influences

A

The earth's kinetic energy remains constant

B

The earth's angular momentum remains constant

C

The earth's potential energy remains constant

D

All are correct

Text Solution

Verified by Experts

The correct Answer is:
B
`L/(2m)=`constant, U and K vary.
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