From 27dfe046b8a8458e9a14a8e3666e61b79a35d6ad Mon Sep 17 00:00:00 2001 From: magicalsoup Date: Thu, 24 Sep 2020 20:23:00 -0400 Subject: [PATCH] Update 'docs/sph3u7.md' --- docs/sph3u7.md | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/docs/sph3u7.md b/docs/sph3u7.md index 87149e0..e9f452a 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -22,10 +22,6 @@ Every other SI unit is derived from the fundamental SI units. Memorise these! Note that on an assesment, you are expected to derive the SI unit expression given the equation of unit. For example Force = mass x acceleration = mass x distance / time / time = $kg \times m \times s^{-2}$. -!!! note "Definition" - Physical Quantity: must always be expressed as the product of **magnitude**(number) and a **unit**. - Example: $10m$ (10 meters). - ### Metric prefixes Every SI unit can be expanded with metric prefixes. @@ -155,7 +151,7 @@ Error bars represent the uncertainty of the data, typically representing that da The uncertainty of the **slope** of the line of best fit is the difference between the maximum and minimum slopes. $$m_{\text{best fit}} ± \frac{m_{\max}-m_{\min}}{2}$$ The uncertainty of the **intercepts** is the difference between the intercepts of the maximum and minimum lines. -$$\text{intercept}_{\text{best fit}} ± \frac{\text{intercept}_{\max} - intercept_{\min}}{2}$$ +$$\text{intercept}_{\text{best fit}} ± \frac{\text{intercept}_{\max} - \text{intercept} _{\min}}{2}$$ ## 1.3 - Vectors and scalars