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Question

# A satellite is rotating around a planet in the orbi of radius r with time period T. If gravitational force changes according to r5/2 the T2 will be∝r3∝r7/2∝r9/2∝r3/2

A
r3
B
r7/2
C
r9/2
D
r3/2
Solution
Verified by Toppr

#### GMmr5/2=mv2rv2=GMr3/2T2=(2πrv)2=4π2r2GM/r3/2=4π2r7/2GmT2∝r7/2

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