How fast must a plane fly along the earth\'s equator so that the sun stands stil

Question

How fast must a plane fly along the earth's equator so that the sun stands still relative to the passengers? Give your answer in both

km/h and mph.The radius of the earth is 6400 km.

part A

km/h

Express your answer using two significant figures.

part B

mph

Part C

In which direction must the plane fly, east to west or west to east?

How fast must a plane fly along the earth's equator so that the sun stands still relative to the passengers? Give your answer in both km/h and mph.The radius of the earth is 6400km. Express your answer using two significant figures. In which direction must the plane fly, east to west or west to east?

Explanation / Answer

the speed of the plane is

v = (2pi x R/T)

where R = 6400 km = 6400 x 10^3 m and T = 24 x 60 x 60 s

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