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City A is located 40° N, 10° W. City B is located 40° N, 20°...

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Physics

City A is located 40° N, 10° W. City B is located 40° N, 20° E.Assume the Earth is a perfect sphere with a radius of 6371km.

Calculate the short distance between city A and city B along the40° N parallel.

Calculate the shortest distance (on curved Earth surface)between city A and the equator. π = 3.141

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