Asked by ruth
a plane leaves an airport P 10 degrees south,60 degrees east and flies due north at 800km/hr .(a)find its position after 24hrs. (b)the plane turns and flies at the same speed due west to reach Q longitude 12 degrees west.find the distance it has travelled due in west nautical miles.
Answers
Answered by
oobleck
If the radius of the earth is R at the equator, the radius of the circle of latitude in part (b) is Rcosθ, where θ is the latitude it has reached in part (a).
So, each ° of longitude is (2πRcosθ)/360 km
So, each ° of longitude is (2πRcosθ)/360 km
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