Astronomers believe the Moos used to be much closer to the Earth (mass=5.98 x 10^24 kg). When it was at 1.92 x 10^8m, half its current distance, what was it orbital speed?
Added by Luke C.
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The gravitational force between two objects is given by Newton's law of universal gravitation: F_g = G * (m1 * m2) / r^2 where F_g is the gravitational force, G is the gravitational constant (6.67 x 10^-11 N m^2/kg^2), m1 and m2 are the masses of the two Show more…
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