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(a) Show that Kelper’s second law (i.e. law of equal areas) is equivalent to the statement...

(a) Show that Kelper’s second law (i.e. law of equal areas) is equivalent to the statement of conservation of angular momentum.

(b) Assuming circular orbits, show that Kepler’s third law (i.e. law of periods) is implied by Newton’s law of gravitation.

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