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Two capacitors are connected in parallel with a 12 v battery. Each has plates of area 16 cm^2. The plate seperations are d1=2mm and d2=3mm. The first capacitor has a 2 mm slab of plexiglas between the plates. Find the two capacitances, the stored charge, and the stored energy. The capacitors are now disconnected from the battery but remain connected in parallel with each other. The plexiglas slab is moved from the first to the second. What are the two capacitances then? Calculate the charge on each and the total energy stored. How much work is done to move the slab?
At one instant a bicyclist is 53m due east of a park's flagpole, going due south with a speed of 12m/s. Then 37s later, the cyclist is 53m due north of the flagpole, going due east with a speed of 12m/s. For the cyclist in this 37s interval.
When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
2 stationary positive point charges, charge 1 of magnitude 3.20nC and charge 2 of magnitude 1.60nC, What is the speed Vfinal of the electron when it is 10.0cm from charge 1
A wave has angular frequency 140 rad/s and wavelength 1.60 m. Calculate the angular wave number
A group of students determined that the following points were upon the best fit line for a graph of W2 vs. Determine the total mass of the system
Helium-Neon laser: "Lambda"= 632.8nm. We can observe the first order maximum at "theta"= 25 degrees. What is the second order maximum angle
you are handed an apple that has a mass of 102g. to get a better of idea of what different pressure feel like, what is the pressure of the apple
A small sphere of mass m = 6.10 g and charge q1 = 29.2 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2 = 58.0 nC is located below the first charge a distance d = 2.00 cm below the first charg..
Three forces are applied to an object. Force F1 has a magnitude of 20.3 newtons (20.3 N) and is directed 30.0° to the left of the +y axis.
A proton takes 99.0?s to complete one orbit around a 14.5 m diameter cyclotron. What's the cyclotron's magnetic field
The power output of he Sun is 3.9 x 10^26 watts. Determine the intensity of the Sun's radiation on he planet Earth
A gas expands while 502 J of energy is added to it as heat. The expanding gas does 422 J of work on its surroundings.
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