Question

1. Prove that the angular velocity of a projectile about the focus of its path varies inversely
as its distance from the focus.
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Answer 1

Answer:

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Answer 2

Answer:The prevailing view during the time of Kepler was that all planetary orbits were circular. The data for Mars presented the greatest challenge to this view and that eventually encouraged Kepler to give up the popular idea. Kepler’s first law states that every planet moves along an ellipse, with the Sun located at a focus of the ellipse. An ellipse is defined as the set of all points such that the sum of the distance from each point to two foci is a constant

Explanation: