This makes sense - didn't think about using the product rule. I will work through it later but I think I've got it. Also my mistake with the minus sign I forgot to include it out in front of the first term. Thanks!
Homework Statement
I am going through a derivation of the thermal energy equation for a fluid and am stumped on one of the steps. Specifically, the text I am using converts the term:
P/ρ*(Dρ/Dt)
to:
ρ*D/Dt(P/ρ) - DP/Dt
where:
ρ = density
P = pressure
D/Dt = material derivative
The text...
Alright so I am 22 years old and if all goes according to plan will graduate with a degree in Civil Engineering this upcoming May (I'd be 23). Recently I have been having second thoughts about my career choice though. I am currently interning at this cement contracting company and absolutely...