Q107 · Practice questionSimple familiar1 mark
QUESTION 107
A satellite is moved from a circular orbit of radius to a circular orbit of radius around the same planet. Its orbital speed becomes
(A)
(B)
(C)
(D)
WORKED SOLUTION
1 markAnswer C
ANSWER
C.
Worked solution
For a circular orbit, , so increasing radius by a factor of halves the speed.
Selects the correct option.
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