Are there any open problems in physics that could be tackle by undergraduates? If there are, where can I find them?
These problems should require some intermediate understanding of Physics. It could be a problem forgotten by its insignificance or something that just requires a ingenious way to...
Homework Statement
The system is conformed by two blocks with masses m (on the left) and M (on the right), and two springs on the left/right has the spring constant of k. The middle spring has a spring constant of 4k. Friction and air resistance can be ignored. All springs are massless.
Find...
I thought it was until you mentioned... I revised and I think I was able to figure it out. Another thing that I realized is that ##y = (1/2)a t^2 + v_0 t -bcos\theta##
Thank you for pointing that out!
Homework Statement
A simple pendulum of length ##b## and bob with mass ##m## is attached to a massless support
moving vertically upward with constant acceleration ##a##. Determine (a) the
equations of motion and (b) the period for small oscillations.
2. Formulas
##U = mgh##
##T = (1/2)mv^2...
I double checked my ##T##, my constraint, and my potential. I correct them taking into account that I would measure the motion of the center of mass. I think that with these corrections and your help, I was able to figure out the problem.
Thank you!
P.S. My potential and kinetic energies...
The problem said it would move on the lower half of the cylinder. I was thinking that it might only be able to move as it was in a big U. Now, would it matter if it can be moved forward and backward if we are to only look at their potential and kinetic energy? My thinking is it does not, but I...
I am sorry for posting here. I will be more careful next time.
The sphere can only move up and down the cylinder. I could describe this motion with cylindrical coordinates where my ##r## and ##z## are fixed leaving only ##\theta## to vary
The second type of motion is rotational. For this I...
The problem goes by this:
A sphere of radius ##\rho## is constrained to roll without slipping on the lower half of the
inner surface of a hollow cylinder of inside radius R. Determine the Lagrangian
function, the equation of constraint, and Lagrange's equations of motion. Find the
frequency of...
Thank dean barry for replying! That is what I was doing at the begging since I understood from the problem that the wanted the height (the value of y). But what the problem asked was to find the distance from the bottom of the hill to the hitting point along the hill. They are asking for the...
I am new on the forum and I wasn't clear how to write formulas with LateX. I will from now on.
Also, I ask some of my friends in class how they solved the problem. My issue was that I was taking the displacement along the x; when actually I need to find the displacement along the hill ( or in...
My problem goes :
A projectile is fired with initial speed v_0 at an angle of \alpha up a hill slope \beta (\alpha > \beta)
a) How far up the hill will the projectile land.
Attempt to solution:
I understood that this is a problem where I need to find the intersection of the parabola and the...