February 22, 2017

Homework Help: Physics

Posted by Steve on Sunday, March 11, 2012 at 2:50pm.

A space explorer is 4.6 billion km away from a certain star, and observes that the gravitational force of attraction exerted on the spacecraft by the star is 500 N. What will the force become when the craft has approached to a position 2 billion km from the star?

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