[a]1. Homework Statement [/b]
I thought it would be easier to post a picture since this way the drawing can be seen. I'm having a hard time deciding what angles to use with the relevant equations, see below.
Homework Equations
I know that:
Ex' =...
So, I finally got it to work. However, I changed the code around many-a-time until it finally worked. Curiously enough, the same code doesn't give me the same answer every time! Weird. Here is he code that code:
C1 1 0 10e-9F IC = 90V
R1 1 0 2.0e3ohm
L1 1 0 250e-3H IC= -30e-3A
.tran 5e-6...
Thanks for your reply, appreciate the help. It's an interesting problem. What you said makes sense though. Setting IC = 90V for the capacitor does nothing. Wow, I'm at a loss; I have literally tried everything that I can think of.
Hello everybody. I have an over-damped RLC parallel circuit. Using techniques taught, I solved for v(t) = 70e^(-10,000t)+20e^(-40,000t) V for t> zero. This indicates that my initial voltage is 90v. Using MATLAB (Part of the assignment) I verified this. I also found that Current as a function of...
How do you go about finding the arctangent of an unfamiliar number. Example, arctan (-2)? I think it's in the direction of half-angles and double angels, but how do I get the angle to start with the formulas in the first place?
Thanks in advance!
Tried working it out, but I'm not seeing it here. I see that by manipulation you get t=d/v at which point you plug in the speed that I am given. Can you explain a bit more. I'm quite confused here.
Homework Statement
A person walks from point a to point b at a speed of 5 m/s. Then she turns around and walks from point b to point a at a speed of 3 m/s. What is her average speed?
Homework Equations
Average speed is equal to d/ change in t.
The Attempt at a Solution
So I know...
Tension on a rope--no idea how to even start.
Homework Statement
A rope is used to pull a 10kg block across the floor with an acceleration of 3m/s^2. If the frictional force on the black is 50 N, what is the tension on the rope?
M=50kg
A= 3m/s^2
Frictional force is 50 N.
Homework...