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//===========================================================================
//chapter 8 example 9
clc;clear all;
//variable declaration
V = 240; //voltage in V
I = 8; //current in A
T = 1; //time in minutes
x =0.6; //power factor
M = 600; //meter constant in revolutions per kWh
//calculations
E = (V*I*(T/(60))*x)/(1000); //Energy consumed 1 minute
S = E*M; //speed of the disc in rev/minute
//result
mprintf("speed of the disc = %3.2f rev/minute",S);
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