Get premium membership and access revision papers with marking schemes, video lessons and live classes.
A ship left point #P( 10^0S, 40^0E)# and sailed due East for 90 hours at an average speed of 24 knots to a point R. (Take 1 nautical mile(nm) to be 1.853 km and the radius of the earth to be 6370km)
(a) Calculate the distance between P and R in: (i) nm (ii) Km
(b) Determine the position of point R
(c) Find the local time, to the nearest minute, at point R when the time at P is 11.00 a.m.