(a) What is the angular speed ar about the polar

(a) What is the angular speed ar about the polar

(a) What is the angular speed ar about the polar axis of a point on Earth’s surface at latitude 40째 N? (Earth rotates about that axis.)
(b) What is the linear speed y of the point? What are?
(c) w and
(d) v for a point at the equator?

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