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diff --git a/3845/CH25/EX25.10/Ex25_10.sce b/3845/CH25/EX25.10/Ex25_10.sce new file mode 100644 index 000000000..e3d788e03 --- /dev/null +++ b/3845/CH25/EX25.10/Ex25_10.sce @@ -0,0 +1,19 @@ +//Example 25.10
+f=40;//Focal length (cm)
+R=2*f;//Radius of curvature (cm)
+printf('a.Radius of curvature = %0.1f cm',R)
+L=1;//Length (m)
+A=(1/4)*2*%pi*(R*10^-2)*L;//Area of the concave mirror of length L (m^2)
+i=900;//Insolation (W/m^2)
+Q=i*A;//Insolation per meter length of pipe (W)
+printf('\nb.Amount of sunlight concentrated onto the pipe per meter = %0.1f W',Q)
+rho=8*10^2;//Density of mineral oil (kg/m^3)
+d=2*10^-2;//Pipe diameter (m)
+V=%pi*(d/2)^2*1;//Volume of 1m long section of pipe (m^3)
+m=rho*V;//Mass of mineral oil (kg)
+c=1670;//Specific heat of mineral oil (J/kg.C)
+delta_T=Q*60/(m*c);//Increase in temperature over 1 minute (C)
+printf('\nc.Increase in temperature = %0.1f C',delta_T)
+//Answers vary due to round off errors
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest
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