Here is a little problem that you might like to have a crack at.
At time t = 0 (stopwatch set to zero), a single engine jet aircraft is flying due East at a speed of 12km per minute. At the same altitude and 208km directly ahead is a twin engine commercial aircraft, still at time t = 0. This second aircraft is flying due North at a speed of 8km per minute. Start the stop watch,....so t > 0. At what time are the two planes closest to each other? What is the minimal distance between them at that time?
Ron.
At time t = 0 (stopwatch set to zero), a single engine jet aircraft is flying due East at a speed of 12km per minute. At the same altitude and 208km directly ahead is a twin engine commercial aircraft, still at time t = 0. This second aircraft is flying due North at a speed of 8km per minute. Start the stop watch,....so t > 0. At what time are the two planes closest to each other? What is the minimal distance between them at that time?
Ron.