A. 18.5 km/sec
B. 26.6 km/sec
C. 29 km/sec
D. 31.9 km/sec
Explanation:
The earth is moving about our sun in a very nearly circular orbit. It covers this route at a speed of nearly 30 kilometers per second, or 67,000 miles per hour.
A. 18.5 km/sec
B. 26.6 km/sec
C. 29 km/sec
D. 31.9 km/sec
Explanation:
The earth is moving about our sun in a very nearly circular orbit. It covers this route at a speed of nearly 30 kilometers per second, or 67,000 miles per hour.