Question

ten minutes after a plane leaves the airport, it's reported to be 40 miles away. what is the average speed, in miles per hour, of the plane ?

Answer 1

\(~average~speed=\dfrac{s_f-s_i}{t_f-t_i}\)

s=position, t=time

Answer 2

so what your answer ? please give it

Answer 3

plug in your values into the formula

Answer 4

4 m/s.. it's true ?

Answer 5

it wants the value in units of miles per hour