An airplane travels at an average speed of 600 m/s on an outward flight and 400 m/s on the return flight over the same distance. What's is the average speed of the whole flight?
Note that the answer is not 500m/s but 480 m/s. Please explain why not?
Note that the answer is not 500m/s but 480 m/s. Please explain why not?
1 Answer
Dec 4, 2017
let the distance travelled by the the plane during
outward flight
Also distance travelled during return flight
average speed
Average speed{v}
substituting values of