Assume Earth’s orbit is a circle of radius and its orbital period is

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

Assume Earth’s orbit is a circle of radius

1\,\text{AU}=1.5\times10^{8}\,\text{km}

and its orbital period is

365\,\text{days}

. What is the approximate area swept out by the radius vector in one day? (a)

6.2\times10^{13}\,\text{km}^2

(b)

2.0\times10^{14}\,\text{km}^2

(c)

8.1\times10^{12}\,\text{km}^2

(d)

1.1\times10^{16}\,\text{km}^2