Question: The earths radius is 6.37 10 6 m; it rotates once every 24 hours. a. What is the earths angular speed? b. Viewed from

The earth’s radius is 6.37 × 106 m; it rotates once every 24 hours.

a. What is the earth’s angular speed?

b. Viewed from a point above the north pole, is the angular velocity positive or negative?

c. What is the speed of a point on the equator?

d. What is the speed of a point on the earth’s surface halfway between the equator and the pole?

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