Recent content by James98765

I'm currently on the searching for a Quantum Mechanics textbook. Does anybody have suggestions for me? Below is a brief description of myself to explain my education level: I am a thrid year mechanical engineering major. I'm about to complete Physics for Scientists and Engineers: A Strategic...

Thanks for your help. After reading your suggestion I'm relatively certain you're correct.

I am not an expert when it comes to Hall voltage but I am familiar with the general concept. To derive the Hall voltage equation, begin with the magnetic force: Fm = q v B where q is the charge, v is the velocity, and B is the magnetic field strength Fm = e vd B with q = e and v = vd...

You are struggling with a very common problem. Handling positive and negative signs requires a free body diagram (picture of forces), coordinate system, and experience. First, you could set up a coordinate system where gravity and friction are positive, but I don't recommend it because the...

You're correct. The best way to handle this type of problem is to draw a picture (free body diagram) of the top block. The top block has two forces acting on it. Force 1: The middle block is forcing the top block upward. Force 2: Gravity is pulling the top block downward. The summation...

Homework Statement 1.0 micrometer diameter dust particles (m=1.0 * 10^-15 kg) are in a vacuum chamber. The dust particles are released from rest above a 1.0 micrometer diameter hole, fall through the hole, and land on a detector at distance d below. Part A: If the particles were purely...

Thanks I appreciate the help! I have been given a lot to think about which will help me conceptually.

I am a self taught physics enthusiast with a frustrating conceptual problem; I have been unable to come up with a reasonable visual model connecting electric and magnetic fields. I first began visualizing electric fields as a spherical wave that expands into 3D space. This made since because...

Thanks for your help!

Thanks for all of your help. I have seen another solution on the internet that disagrees with the book result. You are both correct to the best of my knowledge.

I am currently working on a physics homework problem that is giving me some trouble. The problem involves circuit analysis. Here it is: How much current flows through the bottom wire shown below, and in which direction...

Sorry about the late response. I didn't see your post until now. I will explain the problem assuming you have an understanding of kinetic and potential energy. Because we know the velocity at which the rock must hit the tree, we know the kinetic energy that it must have when it reaches the...

No actually I managed to waste a lot of time after I copied the problem down wrong from the book. I gues that doesn't change the fact that I still don't know how to integrate the problem I posted but it no longer matters.

Sorry to reply to my own post but I've solved the problem and I do not know how to delete this. Thank you! -James

Homework Statement Evaluate: \int\frac{1}{(4 - \tan^2{x})^{3/2}}dx Homework Equations I must integrate the above equation using only trigonometric subtitutions of algebraic equations. The Attempt at a Solution Here is what I have so far: Let \tan{(x)} = 2\sin{(\theta)} x =...