AP Physics 1mediummcq1 pt
A 1500 kg satellite orbits Earth at radius r with speed v. If its radius shrinks to r/4, its new speed is
A.2v
B.4v
C.v/2
D.v/4
Explanation
Core Concept
v = √(GM/r): shrinking r by 4 doubles the speed.
Correct Answer
A2v
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