Question

If a man goes 10 m toward north and 20 m toward east, then his displacement is:

• A. 22.5 m
• B. 25 m
• C. 25.5 m
• D. 30 m

Answer 1

The correct option is A 22.5 m

Dispalcement $d=\sqrt{{10}^2+{20}^2}$

$=\sqrt{500}$

$=22.5$