Question

Elliptical orbit of a planet about the sun s
if area ( ASB )= 5×10 sq. unit then area (ESF)= ? ​

Answer 1

Answer:

According to Kepler's laws, planet takes equal time to sweep equal areas about the sun. So, the areal velocity of the planet remains constant.

Since, area of CSD is twice the area of ASB, ⇒T

2

=2T

1

⇒T

1

=0.5T

2

.