The orbit of Earth around the Sun is almost circular: The
Chapter 13, Problem 89(choose chapter or problem)
The orbit of Earth around the Sun is almost circular: The closest and farthest distances are 1.47 X 108 km and 1.52 X lOB km respectively. Determine the corresponding variations in (a) total energy, (b) gravitational potential energy, ( c) kinetic energy, and (d) orbital speed. (Hint: Use conservation of energy and conservation of angular momentum.)
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