Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

An artificial satellite is moving in a circular orbit of radius 7000km and takes 2hrs to revolve once around the earth. calculate the speed of satellite




This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Since the radius is 7000km, the distance travelled in two hours is \pi*14000=43,982.297 So it goes that much in two hours and it can go 
\frac {\pi*14000}{2}=21,991.148

Therefore the speed is 21,991.148km/h

1 5 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts