Question

what is the speed of earth revolution

Answer 1

30 km/sec

hope its help you

Answer 2

Radius of the Earth's Orbit = 1 AU = 150,000,000 kilometers. Circumference of the Earth's Orbit = 2*pi*R = 942,000,000 kilometers. Time to complete one Orbit = 365.2422 days = 8766 hr. Speed of Revolution = Distance/Time = 942,000,000 km / 8766 hr = 107,000 km/hr = 30 km/sec