Question

A person has to go 50 m due south, 40 m due west
and 20 m due north to reach his destination. The
displacement of the person is
(1) 150 m
(2) 110 m
(3) 50 m
(4) 20 m

Answer 1

Answer:

3)50cm

Explanation:

by using Pythagorean theorem,

net height is 30m ànd other side is 40m

therfore, displacement is underoot (30^2+40^2)

is equal to 50m