Recent content by jlmac2001

For this experiment, you don't have to go into the lab. I thought it would be a breeze but I was wrong. The problem I'm having is collecting the data. The figures given are to be used to find the data but I don't know what I'm looking at and how to find the tan planes. Is there someway to...

jlmac2001 Question: Write the vector V=i+2j+3k at the point (x,y,z)=(1,1,0) in terms of the spherical polar coordinate unit vectors r, theta and phi at that point. Do this again at the point (x,y,z)=(1,1,1). Check your answers by checking the norm of both vectors and comparing to the norm in...

Problem: A cylindrical bucket of cross-sectional area A has water in it up to an initial depth of d at t=0. The water has density p, an the gravitational acceleration is g. The water leaks out the bucket through a hole in the bottom with the rate of change of he volume of the water in the...

The question is: Solve for the motion of the undamped harmonic oscillator with an applied force F, treated in class, when the force is no longer constant but has the form F=F0+kT, where Fo and k are constants. Use the intial conditions x(0)=d and x'(0) =v0. I'm trying to solve this problem...

example I still don't get it. Can someone show me an example? Do i have to chose two different numbers for n and m?

The question asks to prove the following by writing each sine and cosine function as a sum of exponentials of arguments inwt or imwt: integral from -pi/w to pi/w (cos (nwt)cos(mwt) dt) = {0 for n not equal to m, pi/w for n=m not equal to 0 , 2pi/w for n=m=0 Would I write the cosine funtion...

sorry If I knew how to do it, i would not have posted. Thanks anyway.

Find the position of the cnter of mass and moment of inertia for rotations about an axis through the origin and along axis of symmtry of a thin hemisphericl shell of radius R and mass M whose center is at the orgin. For this problem, would I treat is kinda like a sphere? How would I do...

I'm having trouble with proving the following question. Can someone please help, please. (1) Prove that if you had a heat engine whose efficiency was better than the ideal value (4.5) you could hook it up to an ordinary Carnot refrigerator to make a refrigeratior that requires no work...

Question: Find the solid angle subtended at the origin by a thin circular disk of radius a, whose cente is a distance b from the origin and where the normal to the disk is parallel. Do I have to find the center of mass to solve this question?

so... how would I do it?

Question: Find the solid angle subtended at the origin by a thin circular disk of radius a, whose cente is a distance b from the origin and where the normal to the disk is parallel. Do I have to find the center of mass to solve this question?

thanks for not helping me SorryI asked for help.

I don't get want a computer has to do with entropy. Can someone explain this question? A bit of computer memory is some physical object that can be in two different states, often interpreted as 0 to 1. A byte is eight bits, a kilobyte is 1024 (=2^10) bytes, a megabyte is 1024 kilobyes and a...

will someone help please? I just need someone to help me. It's due tomorrow. Please