- #1

- 17

- 0

if a horse can heat 11.6kg ice water T=273k to 355K in 2.5 hours how high could it raise a 217kg weight in 2.5 min?

heres what I've done

q

_{p}=mc

_{p,s}dt=(1.16E4 g)(4.18 J K

^{-1}g

_{-1})(82K)=3.976E6 J

(3.976E6 J/2.5hr)(1hr/60min)(2.5min)=6.627E4 J

h=w/mg=6.627E4 J/((217 kg)(9.81m s

^{-2}))=31.1m

does this seem legit? we working with all this rev/irr-rev work and transfer and I am getting really mixed up by simple stuff but if p=const then it would be irreversible right?

any suggestions would be great if I am way off track

Thnaks