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Question

Physics Question on Gravitation

If the angular momentum of a planet of mass mm, moving around the Sun in a circular orbit is LL, about the center of the Sun, its areal velocity is :

A

4Lm\frac{4 L}{m}

B

Lm\frac{L}{m}

C

L2m\frac{ L}{ 2 m}

D

2Lm\frac{2L}{m}

Answer

L2m\frac{ L}{ 2 m}

Explanation

Solution

dAdt=L2m \frac{dA}{dt} = \frac{L}{2m}