Question

Assume that Earth is in circular orbit around the Sun with kinetic energy K and potential energy U, taken to be
zero for infinite separation. Then, the relationship between K and U:
(1) is K = U
(2) is K=-U
(3) is K = U/2 (4) is K = -U/2

Answer 1

Answer:

not sure maybe (2)

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Answer 2

Answer:

I think the answer is 1- K=U