Answer to Question #286706 in Quantum Mechanics for mmm

Question

A cyclist rides 3 km west and then turns around and rides 2 km east.

(a) Draw the FBD for this motion (Assume east to be positive and west to be

negative).

(b) What is her displacement?

(c) What distance does she ride?

(d) What is the magnitude of her displacement?

Answer 1

$d=-3+2=-1~km,$

$l=3+2=5~km,$

$s=|d|=1~km.$