Question

A boy travel 10m due north and then 7m due east. Find the displacement of the boy.

Answer 1

Answer:√149

Explanation: assume 'x' as the displacement,and given that 10m due north and 7m due east,we can apply the pythagoras theorem,

X^2=10^2+7^2

X=√(100+49)

Hence,X=√149