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Got a few questions... plz help me out: 1) Why can electrons in a gas atom only have discrete energy levels, while those in a solid state can have a range of energies? 2) Did de Broglie suggest that the electron could be thought of as an electromagnetic wave? Compare and contrast...

One test after another... my test on logs is on next tuesday. Please help me with some questions: 1) Differentiate: (e^x - e^-x)/(e^3x + e^-3x) Answer: (1 - ln x^2)/x^2 2) Integrate (x^-2)(e^(1/x)) Answer: -e^(1/x) + C 3) Differentiate 10^(x^1/2) Answer: (10^(x^1/2) . ln10)/...

I have two more quick questions: 1. Six people, of whom A and B are two, arrange themselves at random in a row. What's the probability that there're at least 3 people between A and B? (Answer: 1/2) 2. (n-1)C(k-1) + (n-1)C(k) (Answer: nCk) Thanks in advance. Test is in 2 days, so...

At times when I ask a question here, I doubt that anybody would bother answering me. But u guys are too much! U never dissapoint me! I need to get 95 for my UAI to enter my dream course, if I succeed, it's all thanks to you guys :) :cool:

Thanks! With that explanation, I've got my head around the problem. Alrite... getting confident for the test! :p

I have a few questions in the binomial theorem topic which I cannot solve: - Write down the (k + 2)th term of (a + b)^2n - Find the coefficient of a^-2 in the expansion of (a+1/a)^3 * (a - 1/a) ^ 5 These questions are from Fitzpatrick - the one who writes the hardest maths...

Well, I think I'd understand if u just put down the working, so u dun have to write an explanation for each one. Plz continue with your assistance :p ~*HSC 4 life*~, I have the answers indeed: 5. There're 8 seats, 4 facing the front and 4 facing the back. Find the probability that 2...

My ultimate dream is to become a novelist. I've brought up this topic before and received informative replies, now I want more! :) My questions are, what makes a good novel (e.g. originality)? What makes you unable to put down a book? Thanks.

Is anyone currently studying the bachelor of arts in communication? If so, mind telling me what it involves? I am interested in the "visual communication" (e.g. digital media) and writing (I want to become a fiction/non-fiction writer) degrees.

I've found some new questions that I can't do :( :( :( 5. There're 8 seats, 4 facing the front and 4 facing the back. Find the probability that 2 particular people will sit opposite each other if seating is arranged randomly. 6. In 12 people, 8 have seen film A and 9 have seen film B...

The assessment task on combination and permutations is on soon, I need help with a few final questions: 1. Letters of "promise" are arranged in a row. What's the probability that there're 3 letters between p and r? (Answer: 1/7) 2. Urn A has 6 white and 4 black balls. Urn B contains 2...

i have been given an english assessment task where i am to present a seminar on a specific reading of shakespeare. My question is, what is the difference between a seminar and a speech? Secondly, i enjoy and thus plan to discuss the psychological readying, any hints on what i should talk about...

Some new questions on rado waves: - If a radio was inside a metal box, would it be able to pick up radio wave signals? Please explain. - This one is in my hw: describe three properties of radio waves discovered by Hertz. (I can mention three (reflection, refraction, defraction), but what...

Please guide me through the below questions about radio waves: How are radio waves: - Produced - Transmitted - Received Thanks in advance.

Some questions that I need to figure out before the test: 1. Eight people are divided into two groups. What's the probability that there will be 4 in each group? 2. The letters of the word "promise" are arranged in a row. What's the probability that there's 3 letters between p an r...

A quick question that I need help with: - What is the purpose of the fluroescent in the cathode ray tube? Thanks :cool:

Yeah, as in the program restarts from the very beginning. Basically shutting down then reloading automatically.

New questions: - Which datatype can store up to 180000? When I use "integer" it says "out of range". - Is there a function that enables the program to restart? (like "end" quits the program automatically)

Do you guys think it is reasonable to say: - Since population growth began around Blade Runner's time, in the film there's overcrowding and language barrier between ppl. - Brave New World was written in between WWI and WWII, there was prob hatre between the nations. Thus in the novel's...

A question for my assessment basically reads "how are ideas and values of text produced by its context?".... What is context? :p :p is context like, the experience of the writer, the society in which he/she lived etc? I'm so lost with this "context" thing :D thanks