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According to Kepler's second law, the ra...

According to Kepler's second law, the radius vector to a planet from the Sun sweeps out equal areas in equal intervals of time. This law is a consequence of the conservation of ______________.

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The correct Answer is:
Angular momentum
`(dA)/(dt)=L/(2m)`= constant, because angular momentum of planet (L) about the centre of the Sun is constant. Thus, this law comes from law of conservation angular momentum.
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