Asked by Hannah
Jet #1 leaves an airport at 600 km/h. Jet #2 leaves 3/4 hour after jet #1 in same direction. How long until jet #2 overtakes jet #1
Answers
Answered by
Steve
Unless #2 is faster than #1, it will never overtake it.
In the 45 minutes #2 has been waiting, #1 has gone 450 km.
So, if #2 is x km/hr faster than #1, it will overtake #1 in 450/x hours
In the 45 minutes #2 has been waiting, #1 has gone 450 km.
So, if #2 is x km/hr faster than #1, it will overtake #1 in 450/x hours