Question

The average radii of orbits of mercury and earth around the sun are 6 x 10km and 1.5 x 108 km respectively. The ratio of their orbital speeds will be: (1) 5:2 (2) 2:15 (3) 2.5:1 (4) 1:25​

Answer 1

I hope it is helpful for you

Answer 2

Answer:

I hope this is correct answer