CBSE Class 9 Answered
r cube is directly propotional to t square how? and why?
Asked by | 19 Aug, 2008, 12:35: PM
Expert Answer
Considering a satelite in a circular orbit,centripetal acceleration=GM/r2 =v2 /r
v=(GM/r)0.5
Using,t=2(pie)r/v
t=k(r)3/2 ,k being constant
hence
t2 =k r3 ,Hence r3 is directly proprtional to t2
Answered by | 19 Aug, 2008, 06:41: PM
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