Answer to Question #37105 in Mechanics | Relativity for Roshauna
A person walks 38 m East and then walks 33 m at an angle 46° North of East. What is the magnitude of the total displacement? Answer in units of m.
This is direct application of the cosine theorem.
c^2=a^2+b^2 - 2*a*b*cos(Theta)
in our case: