Question

If the earth takes 24hours to rotate about it's axis, calculate the mean angular speed of the earth

Answer 1

It takes the Earth approximately 23 hours, 56 minutes and 4.09 seconds to make one complete revolution (360 degrees). This length of time is known as a sidereal day. The Earth rotates at a moderate angularvelocity of 7.2921159 × 10−5radians/second.