Recent content by saadsarfraz

Can it be because having a single generator is less costly and would be more efficient as multiple generators would lead to some type of internal losses due to resistance or friction...

A common sense questions. Can anyone care to provide their insights?

thank you

Homework Statement Hi can anyone tell me what is the derivative of this function. Homework Equations p(t) = u(X(t), t) The derivative of p with respect to t The Attempt at a Solution dp/dt = du/dX * dX/dt + 1 ?? or is it going to be du/dX * dX/dt

im doing physics at the university of toronto and I want to give you my sincere advice not to take physics but go for engineering as they have much better career opportunities. the only position usually available for physics graduates are research, to become a professor and a high school...

Hi, I am doing this really crazy course at university, i need some help in understanding the final course mark calculation which is: Course mark = 0.6max{ T, F} + 0.4min{T, F} T = term mark = 0.3( average percentage on assignments) + 0.7( average percentage on term tests) F = final exam...

what happens if you have dx instead of a. the second post on this website http://www.wilmott.com/messageview.cfm?catid=19&threadid=17563 has a formula but i don't know how it was derived.

Hi, how would you find the taylor series for f(x-dx). i know that substituting x-dx in the series for f(x) is not correct.

I was doing this experiment with the setup which as follows. You have long aluminium bar which as 28 masses attached to bar evenly. The bar is vibrated at several different frequencies and we see a bunch of normal modes at particular frequencies. the collection of normal modes is called a band i...

the characteristic equation is r(r-1)=0 which gives r=0 and r=1, for r=0 i get x2=0 and for r=1 i get x1=0,i think there might be two independent eigenvectors, but i would be grateful if someone could tell me what those eigenvectors be in this case.

If there is a 2x2 matrix for example [0,0] in the first row and [0,1] in the 2nd row? how many independent eigenvectors does it have?

Hi, I am a little confused how do you find out when a matrix has two independent eigenvectors or when it has one or when it has more than two, or is it possible it can have no eigenvectors.

anything that can be drawn using a straight edge and a compass, the only problem i have is to show that the equation i have written has no rational roots.

ok i made the substitution x=y+1 and now I have this polynomial y^6 + 6y^5 + 15y^4 + 20y^3 + 14y^2 + 4y + 2 = 0, all i have to do is show that this has irrational roots but i just don't know how.

how do i show it then? by assuming x=p/q as a rational root and then going on from there?