Question

man goes 10 M towards north then 20 m towards east then displacement is

Answer 1

Displacement is hypotenuse of right angled triangle.

So apply
$h {}^{2} = p {}^{2} + b {}^{2}$

$h {}^{2} = 10 {}^{2} + 20 {}^{2}$

$h = \sqrt{500}$
so displacement would be 22.36m.


Thanks