Answer to Question #154357 in Physics for Kaosarat

Question

Consider a vector of magnitude 3 units and in the direction of +X axis.This is followed by another vector 4 units parallel to the +y axis. What is the resultant of the two vectors

Answer 1

$\sqrt{3^2+4^2}=5(units)$

$\tan\alpha=4/3\to \alpha=53.1°$ from the positive direction of the x-axis