From f44cdd5916f2d174b2fdb289a002a8ccb6c862e1 Mon Sep 17 00:00:00 2001 From: eggy Date: Sat, 7 Nov 2020 15:42:21 -0500 Subject: [PATCH] phys: add second power equation --- docs/sph3u7.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/sph3u7.md b/docs/sph3u7.md index d4a51b0..8511db7 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -475,6 +475,9 @@ The types of energy involved may have varying values as long as their sum is fix Power is a a scalar unit represented in **watts** ($\text{1 W}=\frac{\text{1 J}}{\text{1 s}}$), and it is **not energy**, but instead the work done over a time interval, or the rate of doing work. $$P=\frac{\Delta E}{\Delta t}$$ +Also: +$$P=\vec{F}v$$ + ### Efficiency Efficiency measures how much work, energy, or power is retained in a process, and is represented as a percentage ($1$ being 100% efficient, $0$ being 0% efficient).