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clc;
s=80; //height in m
p=20; //power of hoist in hp
m=500; //weight in kg
g=9.8; //gravitational constant in m/sec square
e=0.8; //efficiency = 80 percent
F=m*g; //Force in Newton
P=e*p*746; //calculating power in watt
t=(F*s)/P; //calculating time required
disp(t,"Time required in sec = "); //displaying time required.
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