What is $\hat{i}$??
The unit vector in the x direction.
What is $\hat{j}$??
The unit vector in the y direction.
What is the unit vector in the x direction??
$$ \hat{i} $$
What is the unit vector in the y direction??
$$ \hat{j} $$
What is $\begin{matrix}-2 \ 3\end{matrix}$ in unit vector form??
$$ -2\hat{i} + 3 \hat{j} $$
What is $4\hat{i} - 2\hat{j}$ in column vector form??
$$ \begin{matrix}4 \ -2\end{matrix} $$
What is the magnitude of displacement??
Distance.
What is the magnitude of velocity??
Speed.
What does $|v|$ mean??
The magnitude of $v$.
What is the notation for the magnitude of $v$??
$$ |v| $$
Given two displacement vectors $a$ and $b$, how can you find their total distance??
$$ |a + b| $$
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date: 2020-09-22 18:29
tags:
- '@?public'
- '@?year-1'
- '@?mechanics'
- '@?school'
title: Mechanics - Vectors