Newton's law of universal gravitation a. is equivalent to kepler's first law of planetary motion. b. can be used to derive kepler's third law of planetary motion. c. can be used to disprove kepler's laws of planetary motion. d. does not apply to kepler's laws of planetary motion.
Answers: 1
 (1)
is the module of the force exerted between both bodies
is the universal gravitation constant.
and 
are the masses of both bodies.
is the distance between both bodies
 (2)
is the angular velocity, which is related to the period of the orbit 
in (2):
 (3)
:
 (4)
 is a constant:
 
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Newton's law of universal gravitation a. is equivalent to kepler's first law of planetary motion. b....
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