A and B are two points on the latitude 40⁰N. The two points lie on the longitude 80⁰W and 100⁰E respectively. ( take r= 6370...

A and B are two points on the latitude 40⁰N. The two points lie on the longitude 80⁰W and 100⁰E respectively. ( take r= 6370 km & π= 22/7)
( a ) Calculate:
(i)The distance from A to B along the parallel of latitude
(ii)The shortest distance from A to B
( b )Two planes P and Q left A for B at 400 knots and 600 knots respectively. If P flew along the great circle and q along the parallel of latitude, which one arrived earlier and by how long? Give your answer to
the nearest minute

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Kavungya answered the question on September 21, 2019 at 07:59

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