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A planet of mass m is moving around the ...

A planet of mass m is moving around the sun in an elliptical orbit of semi-major axis a :

A

the torque acting on the planet about the sun is non-zero

B

the angular momentum of the planet about the sun is constan

C

the planet moves with a constant speed around the sun

D

the areal velocity is `pi`ab/ T

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SL ARORA-FLUIDS AT REST-Problem for self practice
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