Question

A biker rides 800 m towards north, 300 m towards east and finally 400 m towards south.
What is his displacement?​

Answer 1

Answer:

800 m towards north

300m towards east

400m towards south

let displacement be x

by pythogorus thoeram

h^2=p^2+b^2

and h be x

x^2=800-400^2+300^2

x^2=250000

x=√250000

displacement = 500m