From 4780106a4f191c41d3b82ca9d1327a1c95a72055 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Thu, 27 May 2021 20:46:01 +0200
Subject: Expand knowledge base

---
 content/know/concept/stokes-law/index.pdc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'content/know/concept/stokes-law')

diff --git a/content/know/concept/stokes-law/index.pdc b/content/know/concept/stokes-law/index.pdc
index acc98af..dee40d6 100644
--- a/content/know/concept/stokes-law/index.pdc
+++ b/content/know/concept/stokes-law/index.pdc
@@ -356,8 +356,10 @@ This is an equation for the **terminal velocity** $U_t$,
 which we find to be as follows:
 
 $$\begin{aligned}
-    U_t
-    = \frac{2 a^2 (\rho_s - \rho_f) g_0}{9 \eta}
+    \boxed{
+        U_t
+        = \frac{2 a^2 (\rho_s - \rho_f) g_0}{9 \eta}
+    }
 \end{aligned}$$
 
 The falling sphere will accelerate until $U_t$,
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