...every day by the International Earth

**Rotation**and Reference Systems Service...t use such silly numbers just because your**calculator**holds 34 digits. The "...8 Answers · Science & Mathematics · 22/08/2010

The

**rotation**speed differs depending on how far you live from the equator...the equator. Use the "cos" key on your scientific**calculator**. The revolution speed is trivial to calculate if you know the...3 Answers · Science & Mathematics · 11/04/2012

...4) = 5 extra days. Total of 8400 days. (but online day to day calculators say 8401 ... still researching as to the why.) (It must count the birth...

5 Answers · Science & Mathematics · 05/08/2009

You will get a result from any decent astro

**calculator**that is accurate to within a few minutes... in time, the speed of the Earth's**rotation**. One degree of latitude can make a difference of a couple...4 Answers · Science & Mathematics · 01/08/2010

...it. That would make a change in Earth's

**rotation**period of 21 SECONDS PER YEAR. ...take my word for it, do as I did, pick a**calculator**and do the math. How would your friend explain...5 Answers · Science & Mathematics · 19/09/2010

...'s love affair with base-60. In the days of no calculators , they just loved counting systems based on 60, because...

9 Answers · Science & Mathematics · 29/08/2013

...500 mph (a little less). See this site for a solver: http://www.stuegli.com/phyzx/ calculators /calc-orbitvel.htm Use an altitude of around 300000m as representative. If you took earth

**rotation**into it, it would actually reduce the speed. To reduce the energy requirements...8 Answers · Science & Mathematics · 06/08/2012

...around the Sun that is 365 days.

**Rotation**refers to Earth turning on ...000 by 365. Gee, do the math! OK, my**calculator**says 5,000. 4) Just subtract to get the...2 Answers · Science & Mathematics · 16/12/2006

...wouldn't worry about that now, but if you can find a pocket

**calculator**which has a cosine button you might like to try ... own latitude and multiplying that by the**rotation**speed at the equator to get your own current speed due...2 Answers · Science & Mathematics · 13/12/2006

I would use these formulas: radial distance = R[equator] * cos( latitude) circumference = 2 pi * radial distance speed = circumference / (24 hours)

2 Answers · Science & Mathematics · 19/10/2011