Extrasolar planet $$\(Z\)$$ orbits its sun in an ellipse. As the planet moves from position 1 to position 2 , does the angular momentum of the planet about the sun's center change?
A.
No, because the sun does not apply a torque on the planet.
B.
Yes, because in the equation \(L=m v r\), the \(r\) term changes.
C.
No, because in the equation \(L=I \omega\), neither \(I\) nor \(\omega\) for the planet changes.
D.
Yes, because the torque of the sun on the planet changes.
Exam No：AP Physics 1 Problem Set 1 Year：2024 Question No：APPhysics12024AP0173
Answer:
A
Knowledge points:
7.4 Conservation of Angular Momentum
Solution:
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