The radius of the earth's orbit around the sun (assumed to becircular) is , and the earth travels around this orbit in 365days.

a) What is the magnitude of the orbital velocity of the earthin m/s?

b) What is the radial acceleration of the earth toward thesun?

c) What is the magnitude of the orbital velocity of the planetMercury (orbit radius , orbital period = 88.0 days)?

d) What is the radial acceleration of the Mercury?

thanks in advance..

Comments

## Answers ( 1 )