Question

An airplane depart from Madagascar (22°10'S, 20°20'E) at 11:45 pm on Nov. 9, 2015 on the way to Chicago (41°50'N, 87°37'W) at supersonic speed of 1200 km/hr along the great circle.

Determine: a. The course from the point of origin

b. The ETA at Chicago

c. The course when it crosses the prime meridian

d. The longitude when it crosses the equator​

Answer 1

Answer:

3 is the answer