From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2345/CH2/EX2.21/Ex2_21.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 2345/CH2/EX2.21/Ex2_21.sce

(limited to '2345/CH2/EX2.21/Ex2_21.sce')

diff --git a/2345/CH2/EX2.21/Ex2_21.sce b/2345/CH2/EX2.21/Ex2_21.sce
new file mode 100755
index 000000000..9a6263ced
--- /dev/null
+++ b/2345/CH2/EX2.21/Ex2_21.sce
@@ -0,0 +1,15 @@
+//Finding time
+//Example 2.21(pg. 58)
+clc
+clear
+m=3.6//mass in kg
+S=4200//specific heat of water
+T2=95,T1=15// temp in degree C
+H=m*S*(T2-T1)//heat utilised in J
+printf('Heat utilised is %7.2f Joules \n',H)
+e=0.84//efficiency of kettle
+Ei=H/e//Energy input in J
+printf('Energy input is %8.2f Joules \n',Ei)
+W=1000//rating of kettle in watts
+t=(Ei/W)/60//time taken in min
+printf('Thus time taken is %2.1f min \n',t)
-- 
cgit