In a fit of pique, the Canadians fire a cannonball due south from vancouver (lat 49.2 degrees N) at a randomly picked city (39.4 degrees N). Assuming the cannonball takes 48 minutes to get there, by how far and in what direction will the cannonball miss?

Answer 1

LOL - this is the other side of the hurricane.
Do this the same way but this time you really do have to use my east speed = 21600*cosine of latitude to get the speeds east at 49.2 and 39.4

Do it just as we did the last problem, except you will end up west this time because you are moving south.

Answer 2

and of course instead of an easy 1/2 hour we now have 48/60 hours

Answer 3

East speed at 49.2 = 21600 * cos 49.2 nm/ 24hr

You take it from there.

Answer 4

By the way you may have a more accurate circumference of earth than my 360 degrees times 60 nm/degree at the equator. I do not have any books here.