At one instant a bicyclist is 30.0 m due east of a park's flagpole, going due south with a speed of 10.0 m/s. Then 30.0 s later, the cyclist is 40.0 m due north of the flagpole, going due east with a speed of 10.0 m/s. For the cyclist in this 30.0 s interval, what are the (a) magnitude and (b) direction of the displacement, the ( c) magnitude and (d) direction of the average velocity, and the (e) magnitude and (f) direction of the average acceleration?

Explanation

(a) 50.0 m, (b) `127^(@)(53^(@)"north of due west")`, ( c) 1.67 m/s, (d) `127^(@)(53^(@)"north of due west")`, (e) `0.471m//s^(2)`, (f) `45^(@)or135^(@)`