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+// Example 7.3
+// Determine (a) Synchronous speed (b) Rail speed assuming slip of 16.7%
+// Page No. 299
+
+clc;
+clear;
+close;
+
+// Given data
+f=50;               // Frequency of machine
+tau=0.24;           // Pole pitch
+s=0.167;            // Slip
+
+// (a) The synchronous speed 
+Us=2*tau*f;
+
+// (b) Rail speed assuming slip of 16.7 percent
+U=Us*(1-s);
+
+
+// Display result on command window
+printf("\n The synchronous speed = %0.0f m/s ",Us);
+printf("\n Rail speed assuming slip of 16.7 percent = %0.1f m/s ",U);
+