Recent content by gloppypop

I'm really lost. Any hints? Maybe this should be in engineering. It's for my Mechanical Engineering 205 class...

https://www.physicsforums.com/attachments/95666

Homework Statement [/B] 2-3-15 Homework Equations [/B] P = power. W = work. U = internal energy. S = entropy. t = time. Q = heat. T = temperature. F = force. d = distance. P = ΔW/Δt= ΔU/Δt ΔS = ΔQ/T dm/dt = ρ⋅dV/dt W = F ⋅ d ΔU = Q - W Where m is mass, V is volume, and ρ is the...

Yes, this has to be right... My classmate was telling me it was wrong and it had me really irked. Thought I was goin crazy for a minute. Thanks =]

My name's gloppypop. Real name is Ryan =] I've been lurking and checking in the physicsforums here and there for the past... Jeeze Louise it's had to have been almost ten years. I was a member for a while, years ago, but forgot my information so I created a new account. I'm currently a...

Homework Statement Three pumps are attached to a three-dimensional tank. They pump water into the tank at a constant rate. Pump A when turned on alone fills up the tank in 15min. Pump B when turned on alone fills up the tank in 30min. Pump C when turned on alone fills up the tank in 60min...