The mean velocity of the earth in its orbit is about:
A. 50,000 mi per hour
B. 66,600 mi per hour
C. 95,000 mi per hour
D. None of these
Answer:B
The mean velocity of the earth in its orbit is about:
A. 50,000 mi per hour B. 66,600 mi per hour C. 95,000 mi per hour D. None of these