3841/CH4/EX4.12/Ex4_12.sce


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clear
//find the work done by exhaust gases
//given
//
w=500.
v1=9000.
v2=5400.
t=60.
V1=v1/t
V2=v2/t
hp=32.2
KE1=(1/2.)*(500/32.2)*(150**2)
KE2=(1/2.)*(500/32.2)*(90**2)
W=KE1-KE2
printf("\n \n workdone %.2f ft-lb",W)