Asked by anonymous
The Sun orbits the Milky Way galaxy once each 2.60 * 10^8 years, with a roughly circular orbit averaging 3 * 10^4 light years in radius. Calculate the average speed of the sun in m/s.
Whew! Should I convert the 3*10^4 light years to meters, and then divide that by 2.60*10^8 years converted to seconds? I tried to do that and was wrong.
Whew! Should I convert the 3*10^4 light years to meters, and then divide that by 2.60*10^8 years converted to seconds? I tried to do that and was wrong.
Answers
Answered by
Damon
circumference in light years
= 2 pi *3 * 10^4
I think you left the 2 pi out. You need circumference not radius.
= 2 pi *3 * 10^4
I think you left the 2 pi out. You need circumference not radius.
Answered by
bobpursley
Yes, that is it
Did you do the 2PIxr for distance?
Did you do the 2PIxr for distance?
Answered by
bobpursley
https://www.google.com/search?q=+converting+light+years+to+distance&ie=utf-8&oe=utf-8&client=firefox-b-1
Answered by
anonymous
Thank you! That was it!
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