Question

Hassan drives his bike 20 km due west then 25 km due north. What is the

displacement of Hassan?

Answer 1

You can use the Pythagorean theorem to find the resultant vector of the x and y components:

C^2 = a^2 + b^2

C^2 = (20)^2 + (25)^2

C^2 = 400 + 625

C^2 = 1025

C = 32