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+// Electric Machinery and Transformers
+// Irving L kosow 
+// Prentice Hall of India
+// 2nd editiom
+
+// Chapter 4: DC Dynamo Torque Relations-DC Motors
+// Example 4-23
+
+clear; clc; close; // Clear the work space and console.
+
+// Given data
+P = 50 ; // Power rating of the servo-motor in W
+S_rpm = 3000 ; // Full-load speed of the servo-motor in rpm
+
+// Calculations
+S_rad_per_sec = S_rpm * 2 * %pi / 60 ; // Full-load speed of the servo-motor 
+// in rad/s
+omega = 314.2 ; // Angular frequency in rad/s
+T_Nm = P / omega ; // Output torque in Nm
+T_ounceinch = T_Nm * ( 1 / 7.0612e-3 ) ; // Output torque in oz.in
+
+// Display the results
+disp("Example 4-23 Solution : ");
+printf(" \n a: Speed in rad/s = %.1f rad/s \n ", S_rad_per_sec );
+printf(" \n b: T = %.4f N-m \n ", T_Nm );
+printf(" \n c: T = %.1f oz.in \n ", T_ounceinch );
+printf(" \n d: Both answers are the same."); 
+
+