Q227
In how much time, Earth rotates once on its axis?
A.
23 hours 30 minutes
B.
23 hours 56 minutes 4.9 sec
AnswerC.
23 hours 10 minutes 2 sec
D.
24 hours
Answer: Option B
Solution
Answer: Option B
Solution:
Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes, and 4.9 seconds with respect to other, distant, stars.