If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

## Get ready for AP® Calculus

### Unit 8: Lesson 5

Scalar multiplication

# Scalar multiplication

## Problem

Vector v, with, vector, on top has a magnitude of 3 units and it creates an angle of 160, degree with the positive x-axis.
Find the magnitude and direction of 5, v, with, vector, on top.
Give the direction as an angle measure between 0, degree and 360, degree.
open vertical bar, open vertical bar, 5, v, with, vector, on top, close vertical bar, close vertical bar, equals
units
5, v, with, vector, on top creates an angle of
degree with the positive x-axis.
Stuck?
Stuck?