Recent content by mateomy

I appreciate everyone's input. I know everyone has a different story. But I (and it's probably mostly due to naivete in the grad school topic) am slightly dispirited and a little confused. My overall GPA which is arguably *crap* is due to classes I took years ago in non-physics/math related...

What about applying to a Master's program at a smaller, State school attempting to boost my academic performance and get better research experience? Does that count for anything?

This horse has been beaten so many times, it's not funny. But I, like everyone else need words of advice from people that aren't going to tell me what I want to hear (or maybe they will). Anyway, I messed around a lot after high school, took numerous classes at various community colleges...

I'll give that a shot. Thank you for the pointer.

I'm working from Callen ch. 4: Consider a monatomic ideal gas in a cylinder fitted with a piston.The walls of the cylinder and the piston are adiabatic. The system is initially in equilibrium, but the external pressure is slowly decreased. The energy change of the gas in the resultant...

Hi all, I just want to see if my work is correct because it's not matching the answer in the book: A tank has a volume of 0.1 m^3 and is filled with He gas at a pressure of 5x10^6 Pa. A second tank has a volume of 0.15 m^3 and is filled with He gas at a pressure of 6x10^6 Pa. A valve...

Ah, I see. Sorry for the ambiguity. I'm reading some websites and I'm starting to see some of my answers are wrong. I'm still confused on the problem though.

Ugh. I can't believe it was a typo. At least I got some lessons out of it. Thank you, both.

So my answer of getting no sixes (25/36) is incorrect?

By this multiplication I've been doing: If I have a probability of getting a six as 1/6 and the probability of not getting a six as 5/6 then I have a probability of getting at most one six of 5/36. For at least one six I think I need to do the compliment of that so 1 - 5/36 or 31/36?

Hmmm... Well if, say, I just have one dice my probability of getting a six is 1/6...so my probability of getting no sixes must be 5/6. With two dice its just a multiplication so I'm saying that my probability of getting no sixes is 25/36.

Oops, I think I meant 1/18.

Wouldn't that just be 34/36?

If two fair dice are rolled 10 times, what is the probability of at least one 6 (on either die) in exactly five of these 10 rolls? So this problem is hard to wrap my head around. I'm probably wrong on many counts, here's what I'm doing: Two fair dice are rolled 10 times but this question only...

Although... I'm looking at my PDF (don't have the 'real' book) and it's entirely possible that the negative is smudged out. I've noticed a lot of cosmetic errors in this PDF. That seems reasonable if my equation is correct and I am off by that magnitude. Maybe someone could check my numbers to...