Recent content by charbon

In every source I've checked so far, we make the assumption that we can neglect electron-electron interaction in this model but they always fail to give any reason to answer why this is plausible. Does anyone know how physicists convinced themselves of this at the time and even now (other than...

I did measure the spring's constant for my largest mass and it's value seemed pretty constant. I'd like to take a closer look at this though so I will remeasure it. for the other masses though, it should not be a problem.

The period was determined using a position sensor. We plotted x(t) and established the time it took for the system to oscillate 20 times. We then divided that number by 20.

we measured the spring constant to be around 3.33 (I don't remember the standard deviation on that number but I think it was around 0.1) I'll probably return to the lab in the next couple of days to get more measurements.

I pulled the mass down a bit and let it go.

I measured x by measuring first the spring without a mass on it using a ruler. I then put the mass on it and measured the length of the spring at its equilibrium. I then subtracted these two measurements for the result.

Notice the last column looks very similar to the third column. g has not been constant with our measurements and that is what the problem has been. We've measures and remeasured the displacement but nothing seems to be off. We also checked the spring constant to make sure it did not change by...

m (kg) x (m) T (s) g (m/s^2) g/9.8 0.01 0.010 0.34 3.41 0.35 0.02 0.035 0.52 5.10 0.52 0.03 0.064 0.63 6.36...

I should have added that the only reason I was studying the motion of the spring was to get the period T. I was indeed considering x to be the equilibrium position and I'm sure we can determine g without knowing the mass as experimentally, g = 4π^2x/T^3 as I said in the earlier post. I have...

I have taken the challenge to measure the Earth's gravitational force, g, without knowing the mass of an object. To do this, we took a spring and had it oscillate vertically and determined the period T. Here is my theoretical development: F = -kx x(t) = Acos(ωt+θ) where ω = √(k/m) of...

The assignments are hard and the deadlines are tight. I think this is a pretty good indicator that they can work under pressure.

I've been giving a lot of thought about how I would market myself to employers once I have finished my B. Sc in physics and I got stuck when I was thinking about weaknesses. It seems a physicist is good at virtually everything. They are excellent problem solvers, the are team players (I'm...

Homework Statement For a system consiting of a single particle of mass m in a box of volume L^3 (Lx = Ly = Lz = L) develop a relation between the number of accessible states, Ω(E) and E Homework Equations E = ((π^2ћ^2)/(2mL^2))(nx^2 +ny2 +nz2) The Attempt at a Solution nx^2 +...

Homework Statement Verify the isomorphism between rotational and translational movement (This is for writing the theory section of my lab report. I should also add that this is using rotating disks) Homework Equations \vec{p}=m\vec{v} \vec{L}=I\vec{\omega} I=1/2MR^2 M = the mass of the disk R...

Homework Statement A material point A of mass m has a rectilinear movement on the horizontal axis 0x. It is subject to the action of a constant power force P and to a force due to air resistance of \betamv2. It starts at a still position on x = 0 for t = 0 in the direction of +x. Find the...