Earth Rotation Earth rotates about an axis through its poles, making one revolution per day.
(a) What is the exact angular speed of Earth about its axis? Express your answer in both degrees per hour and radians per hour.
(b) The radius of Earth is approximately 3900 miles. What distance is traversed by a point on Earth’s surface at the equator during any 8-hour interval as a result of Earth’s rotation about its axis? Express your answer in miles.
(c) What is the linear speed (in miles per hour) of the point in part (b)?
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