Asked by Qay

Find the rotational kinetic energy of the earth about the sun due to its orbit about the sun. The mass of the earth M is 6 x 1024 kg, the orbital radius r is 1.5 x 1011 m and the rotational period T is 1 year. Treat the earth as a point mass in this problem.
Answered by bobpursley
change 1 year to seconds

KE= 1/2 mr^2*(2PI/period)^2
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