Question: The Earth has a radius of 6.4 10 6 m and completes one revolution about its axis in 24 h. (a) Find the speed

The Earth has a radius of 6.4 × 106 m and completes one revolution about its axis in 24 h. 

(a) Find the speed of a point at the equator. 

(b) Find the speed of New York City.

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