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CBSE Class 9 Answered

A particle weighs 120 N on the surface of the earth. At what height above the earth's surface will its weight be 30 N? Radius of the earth = 6,400 km.
Asked by | 27 Mar, 2012, 10:14: PM
answered-by-expert Expert Answer
Answer is 6400 Km
Answered by | 02 Apr, 2012, 12:53: PM
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