Recent content by singinglupine

Yeah, those are the same things I understood. I'm sorry, I would explain it to you, but apparently since it involves triple integrals, it's much beyond my math level. I can give you the equations for roh, surface charge density per volume (like lambda for linear, sigma for area) and the final...

Thanks, I figured it out at a help session. It dealt with volume integrals, and the charge density per volume, something I've never learned in calc or physics.

The inner radius of a spherical shell is 14.6 cm, and the outer radius is 15.0 cm. The shell carries a charge of 5.85 × 10-8 C, distributed uniformly though its volume. Sketch, for your own benefit, the graph of the potential for all values of r (the radial distance from the center of the...

Thanks! That was right!

For the third to last, I thought since the electrical field pointed inwards for the negatively charged ring, and outwards for the positively charge ring, the region in the total center would be influence by the outer ring pushing towards the center with +4q and the inner ring pushing outwards...

A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d. The inner shell has a total charge of -1q and the outer shell has a total charge of +4q...

Ah thanks. :)

Find the slit separation of a double slit arrangement that will produce interference fringes 11.5 mrad apart on a distant screen with light of wavelength 471.0 nm. tan(theta) = y/D asin(theta) = p * wavelength I know that I'm trying to solve for a, and that asin(theta) = 11.5, but I feel like...

Why do ten molecules of toluene that enter a GC column at exactly the same time not reach the detector at the same time? Why are London Dispersion forces of the sample molecules strongly influencing GC measurements? And why are they negligible in TLC experiments on silica gel? I have no...

Thanks, the deadline has passed so the answers will be up in a couple hours and I'll see how far off I was. Sometimes the online problem site will be really picky how close your answer is.

Thanks for the welcome :) I used the law of universal gravitation where F = GmM/r2 and G is the gravitational force constant. The parts with something else multiplied by the force are the x, cos(θ) and y, sin(θ) components. I used pythagorean theorem to figure out the length of the hypotenuse...

The masses and coordinates of three particles are as follows: 20.0 kg, (0.50, 1.00) m; 309.0 kg, (-1.00, -1.00) m; 18.0 kg, (0.00, -0.50) m. What is the gravitational force on a 20.0 kg sphere located at the origin due to the other spheres, magnitude and direction? Give the direction as an angle...

After adding 12 to 6370, I did multiple it by 1000 to convert to meters.

A space shuttle is flying at an altitude of 12.000 km above the Earth. A satellite in its cargo bay is floating freely and its engines are about to boost it to a higher orbit. What is the acceleration due to gravity on the satellite? The radius of the Earth is 6370 km. The mass of the Earth is...