clc
//initialisations
c=1000
t=1//c
f=1//f
J=4.18//j/cal
g=9.8//m/sec2
//CALCULATIONS
h=c*t*J/g
h1=h*f*5/9
//results
printf(' height pf waterfall to rasie 1 c= % 1f m',h)
printf(' height of waterfall to raise 1 f= % 1f m',h1)