Why mobility of electron is greater than hole? the reason behind this is mass of holes is greater than electron so I want to know that how it is possible...

Hi, my question is as follows: There are 1000 students enrolled in a computer program class and 50 tutors to watch over the students. Now, if a student is stuck on a particular t …

I have been confused by allele's since we started them in biology so I would love an accurate explanation. Thanks in advance.

"A rope attached to a 25.0 kg wood sled pulls the sled up a 22 degree circ snow-covered hill. A 12.0 kg wood box rides on top of the sled. If the tension in the rope steadily incr …

Could anyone give me an intuition (or hints on papers, books etc. that do so) on the Ito integral or stochastic calculus in general?

An 8.0-kg block is suspended from a spring that has a spring constant of 1000 N/m. Find the elongation of the spring. (image of a spring hanging with an 8kg weight on the end. K l …

Dinitrogen pentoxide decomposes in the gas phase to form nitrogen dioxide and oxygen gas. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 at 25 . …

I am having a hard time understanding how to balance an equation in chemistry (HS 11th grade Chemistry). If someone can clearly and simply explain step by step how to balance an e …

Let $f(x) = 4 - 3x$. Find K so that (the integral of f(t) from -1 to x) +k = the integral of f(t) from 3 to x / and find the derivative of the integral of f(t) from -1 to x

The reaction 2N2O5 -> 2N2O4 + O2 takes place at around room temperature in solvents such as CCl4. The specific rate constant at 293 K is found to be 2.35 x 10^-4 s^-1 and at 303 …

So it looks like I'm going to be taking Calculus again. I took it in High School, but I only remember bits and pieces of it and now it's my second year of college. You guys have an …

For some reason the below code will not write the @names, @gpas or @ages arrays to a file. Anyone with perl knowledge want to give this a shot? When I run this, I get told that the …

What are your recommendations on these books in the C++ subject? Savich Absolute C++ (2009) 9780136083818 Deitel C++ How to program (2009) 9780136117261

I have registered to take the GMAT but am concerned about questions concerning algebra. Somehow I was able to graduate with 2 AASs and 1 BS without take but 1 algebra course ... no …

How can I say "There you are." in japanese. In a very polite way, if possible. Thanks in advance.