A planet revolves around the sun in an ellipt | vedclass

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(C) According to Kepler's second law of planetary motion,the areal velocity of a planet remains constant. This implies that the angular momentum of th

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(C) According to Kepler's second law of planetary motion,the areal velocity of a planet remains constant. This implies that the angular momentum of the planet is conserved. Since the angular momentum $L = mvr \sin(	heta)$ is constant,where $m$ is the mass of the planet,$v$ is its linear speed,$r$ is the distance from the sun,and $	heta$ is the angle between the position vector and the velocity vector. At the perihelion (the point closest to the sun),the distance $r$ is minimum. Therefore,to conserve angular momentum,the linear speed $v$ must be maximum at this point. In the given diagram,point $A$ is the closest to the sun. Thus,the linear speed of the planet is maximum at point $A$.

$A$ planet revolves around the sun in an elliptical orbit. The linear speed of the planet will be maximum at

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