0 votes
639 views
in Mathematics Form 4 by

The positions of towns X and Y are given to the nearest degree as X(40°N, 124°E) and Y(40°N,56°W)

  1. Longitude difference 
  2. Find the distance in nautical miles between x and y along a parallel of a latitude.  
  3. Find the distance XY via the north pole in nautical mile.  
  4. A plane flying at 200 knots leaves y at 2.00p.m. on Monday what time and day does it arrive at x via great circle. 

2 Answers

0 votes
by
  1. Longitude difference
    124 + 56 =180°
  2. 180 × 60cos40
       =8,237.28nm
  3. Distance XY
    100 × 60=6000nm
  4. t= 6000
         200
    =30hrs
    time difference  180×4 =12hrs
                               60
    Time at X =2.00a.m
0 votes
by
1,68°.                                                               2, 5793.68nm.                                               3, 2400nm

Related questions

Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

6.4k questions

9.6k answers

6 comments

590 users

...