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+//CHAPTER 7 ILLUSRTATION 1 PAGE NO 196
+//TITLE:GOVERNORS
+clc
+clear
+//===========================================================================================
+//INPUT DATA
+L=.4//                     LENGTH OF UPPER ARM IN m
+THETA=30//                 INCLINATION TO THE VERTICAL IN degrees
+K=.02//                    RISED LENGTH IN m
+//============================================================================================
+h2=L*cosd(THETA)//         GOVERNOR HEIGHT IN m
+N2=(895/h2)^.5//           SPEED AT h2 IN rpm
+h1=h2-K//                  LENGTH WHEN IT IS RAISED BY 2 cm
+N1=(895/h1)^.5//           SPEED AT h1 IN rpm
+n=(N1-N2)/N2*100//         PERCENTAGE CHANGE IN SPEED
+//==========================================================================================
+printf('PERCENTAGE CHANGE IN SPEED= %.f PERCENTAGE',n)