Science Questions and Answers

Start Your Free Trial

A satellite is in circular orbit around an unknown planet. The satellite has a speed of 1.70*10^4 m/s and the radius of the orbit is 5.25*10^6 m.  A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a radius of 8.60*10^6 m. What is the orbital speed of the second satellite?

Expert Answers info

Tushar Chandra eNotes educator | Certified Educator

calendarEducator since 2010

write12,551 answers

starTop subjects are Math, Science, and Business

A satellite orbiting a planet has a centripetal force acting on it that keeps the satellite in the circular path and prevents it from moving in a straight line. This force is provided by the gravitational force of attraction between the planet and the...

(The entire section contains 144 words.)

Unlock This Answer Now

check Approved by eNotes Editorial