InterviewSolution
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InterviewSolution
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A planet is orbiting the sun in an elliptical orbit. Let U denote the potential energy and K denote the kinetic energy of the planet at an arbitrary point on the orbit. Choose the correct statement.(a) K < |U| always(b) K > |U| always(c) K = |U| always(d) K = |U| for two positions of the planet in the orbit |
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Answer» Answer is : (a) K < |U| always For a satellite or planet, if total energy is E, then kinetic energy, K = - E and potential energy, U = 2E where, E is negative. So, K < |U| |
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