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July 8, 2015

Homework Help: Physics

Posted by Bobby on Tuesday, April 10, 2007 at 10:32pm.

The star has a mass n_1 times that of the planet, which orbits this star. For a person on the planet, the average distance to the center of the star is n_2 times the distance to the center of the planet. In magnitude, what is the ratio of the star's gravitational force on you to the planet's gravitational force on you?

Gravity force is directly prop to mass, and inversely prop to square of distance.

Ratio= n1/(n2)^2

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