Posted by Subhotosh Khan on September 11, 2002 at 17:03:38:
In Reply to: Can anyone solve this one? posted by I. Newton on September 11, 2002 at 15:32:19:
: Plane A is flying west at the rate of 600mph and a second plane B, 300 miles south of A, is flying north at the rate of 500 mph.
: a) At what rate is the distance between the two planes changing after 15 minutes?
: b) When do the planes cease to approach one another?