http://digfir-published.macmillanusa.com/college_physics_bubble_equation/bubble_ch10_eq12.html
Chapter
10. Relationship between orbital period and radius for a circular orbit (10-12)
52543fc7757a2e486600000c
http://digfir-published.macmillanusa.com/college_physics_bubble_equation/bubble_ch10_eq12_dlap.xmlDLAP questions52543fc7757a2e486600000c