1466/CH22/EX22.9/22_9.sce


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clc
//initialisation of variables
n=150//rpm
H=40//ft
hp=20000//hp
ns=100//rpm
//CALCULATIONS
p=(ns*H^1.25/n)^2
num=hp/p
//RESULTS
printf ('\n number of units should be used= %.f ',num+1)