Instructors own problem1 on the surface of some strange, Ask an Expert

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Instructors Own Problem:

1) On the surface of some strange planet, Mr. Spock finds his weight to be1200N.

He then goes 5000km above the surface, and finds his weight to be only 300N.

What is the radius of the planet?

P.S. I'm a first time user, and would enjoy learning how this works!

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Category:- Physics
Reference No.:- M9593730

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