A) mass
B) momentum
C) angular momentum
D) kinetic energy
Correct Answer: C
Solution :
Key Idea: Areal speed of planet is constant. From Kepler's second law of motion, a line joining any planet to the sun sweeps out equal areas in equal intervals of time. Let any instant t, the planet is in position A. Then area swept out be SA isYou need to login to perform this action.
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