(a) Calculate Earth's average speed relative to the Sun. m/s (b) What is i

Physics
Tutor: None Selected Time limit: 1 Day

(a) Calculate Earth's average speed relative to the Sun. 

 m/s 

(b) What is its average velocity over a period of one year? (Enter the magnitude.) 
 m/s
Sep 8th, 2015

Thank you for the opportunity to help you with your question!

a) earths average distance from sun is 1.496 *10^11 m 

   Time taken by earth to revolve around sun =365 days =365*24*60*60 s=31536000 s

average speed =average distance/time

                          =1.496*10^11/31536000

                          =4743.78 m/s




b) average velocity = displacement / time. 
Over a period of one year, the displacement is zero, therefore the average velocity is 0

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 8th, 2015

Tha (a) was wrong

Sep 8th, 2015

see it depends on what radius you choose for earths revolution

do you have value for radius?  or earths distance from sun???

Sep 8th, 2015

Sry,I`m not have 

Sep 8th, 2015

okay put and see 29.87 m/s

Sep 8th, 2015

Sry,but still wrong

Sep 8th, 2015

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