# If the radius of the Earth's orbit around the Sun is 150 million km, what is the speed of the Earth?

##### 1 Answer

Jan 13, 2016

Calculate the circumference of earths orbit. divide by time taken.

#### Explanation:

Circumference is PI x diameter.

3.14285x2x149597870=940140909, kilometers.

TIme taken is 365.242 days.=365.24x24x60x60=seconds.

answer will be about 30 kilometer/second.