Question

The earth completes a circular orbit around the sun in one year. the orbit has a radius of 93,000,000 miles. what is the speed of the earth around the sun in m/s?

Answer 1

Answer:

V = 2 π R / T

2 π R = 6.28 * 9.3E7 miles

T = 24 * 3600 * 365 = 3.15E7 sec

V = 9.3 / 3.15 = 2.95 mi/sec