SHMHard
Question
The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to 4 times the previous value, the new time period will become
Options
A.10 hours
B.80 hours
C.40 hours
D.20 hours
Solution
Time period of a satellite T = 
r = distance between satellite and the earth.
T ∝ r3/2
⇒
T2 = 8T1 = 8 × 5 = 40 hours
r = distance between satellite and the earth.
T ∝ r3/2
⇒
T2 = 8T1 = 8 × 5 = 40 hours
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