First slide
NA
Question

Angular momentum of a satellite of mass m moving around earth in a circular orbit of radius r is L. Then what will be the angular momentum of a satellite of mass 2m moving around the earth in a circular orbit of radius 4r?

Moderate
Solution

L=mvr=m.GMr.r=mGMrLmrL'L=2mm4rr=4L'=4L

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