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You have two disks, both with a radius of 25mm, and both made of the same non-conducting material. Both disks are uniformly charged. Disk 1 has a charge of 1.5 μC and the total charge of disk 2 is unknown. You place disk 1 at Z1 = 0mm and disk 2 at Z2= 32mm. The symmetry axis of each disk coincides with the z-axis. Using a small charged ball you discover that the electric force is equal to zero at Z=88mm. What is the charge on disk 2?
A current of 48.6 mA exists in a wire for 1.20 minutes. What is the rate that charge passes a point in the wire
a flywheel in the form of a uniformly thick disk of radius 1.33 m has a mass of 54.1 kg and spins counterclockwise at
A series RLC circuit contains the following components: R = 3.00 102 ?, L = 3.50 102 mH, C = 5.00 µF, and a generator with ?Vmax = 2.20 102 V operating at 80 Hz. Calculate the individual maximum voltages across the resistor, inductor
A ball is thrown from a window with Vo=2m.s at an angle of 53 degrees ABOVE the horizontal. From what height was the ball thrown
A hydrogen atom is in its n = 8 excited state. Determine, according to quantum mechanics, find the total energy (in eV) of the atom
suppose 5.00 g of hydrogen is separated into electrons and protons. suppose also the protons are placed at the earths
Under certain conditions, the human body can withstand an acceleration of 10 g's. What is the net force (in Newtons) acting on a person
How many cm/s2 of acceleration should correspond to 1 unit of ramp slope if: •a graph of number of paper clips needed to maintain equilibrium vs. what would be the acceleration of the cart
A black bear of mass 68.8 kg is sitting in a children's play pool filled with water. The total mass of the water in the pool is 120 kg. How high would the bear go
include a free body diagram. Be sure to label all forces with their agents and size. 1. A 5.0kg cat running along suddenly braces his furry feet on the slippery floot in order to stop.
The ball's incident speed is 40 m/s and the ball's return speed is 35 m/s. If the time over which the ball is in contact with the wall is 6 ms, what is the average force on the wall (in N) during the collision?
Canadian geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, Obtain how long will it take the bird to cover a ground distance of 450 kilometer from north to south
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