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Bella314
Sep 11, 2007, 09:44 AM
Two planes approach head-on. Each has a speed of 800 km/h, and they spot each other when they are initially 20 km apart. How much time do the pilots have to take evasive action?
PLEASE HELP ME UNDERSTAND HOW TO DO THIS PROBLEM, THANK U

John Da
Sep 11, 2007, 10:57 AM
Sorry-------- too much for me to help you Bella :confused:

Capuchin
Sep 11, 2007, 11:22 AM
speed=\frac{distance}{time}

remember that they only have half the distance to travel before they crash.