Recent content by StirlingA

I know I'm making this more difficult than it needs to be. I need to find the centroid of a wire bent into the shape of a parabola, defined to be y=x^2 with -2<X>2 and 0<y>4. Obviously due to symetry X-bar =0... but what's y-bar?? No dimensions are given for the width of the wire, so I assume...

Long solenoids create a uniform magnetic field in their interiors, correct? Well, the equation given for the amperage... this will cause the magnetic field to change with time, your Delta B, which yields an induced EMF in the interior coil.

Which way was it cracking?? Vertically? Horizontally? My guess would be a settling house.

The equations I was reffering to was F = G (m_1*m_2) / (d^2) and F = k_e (q*Q) / (d^2) . Thank you all for your responses, while I don't quite understand half of your responses... we haven't reached the quantum level in our class yet. All I know about quantum mechanics is from The Elegant...

I apologize if this question has been asked before. Also, please bear in mind that I'm a sophmore Mechanical Engineering major. So, I was thinking that the equations for Electric Force and Gravity are so similar, there must be something to that. Is it possible that there is no such thing as...