Question

30. The speed of rotation of the earth
is
(a) 25 k
m/s (b) 31 km/s
(c) 39.5 km/s (d) 9.72 km/s​

Answer 1

Answer:

The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second--or roughly 1,000 miles per hour.

Answer 2

I think so 9.72 km/s and please follow me and mark me as brainliest