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Problem 7: A doubly charged ion is accelerated to an energy of 31.5 keV by the electric field between two parallel conducting plates separated by 1.9 cm.
Part (a) What is the electric field strength between the plates in V/m?
An object with a charge of 0.880 µC is placed at the center of a regular icosahedron with 20 equivalent surfaces. What is the electric flux through one surface of the icosahedron?
A nonreflective coating (n = 1.40) covers the glass (n = 1.52) of a camera lens. Assuming that the coating prevents reflection of a specific wavelength (vacuum = 535 nm), find the minimum nonzero thickness that the coating can have.
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 13.0 m/s at an angle 52.0 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the gr..
Three resistors, 23, 45, and 73 ?, are connected in series, and a 0.55-A current passes through them. (a) What is the equivalent resistance? (b) What is the potential difference across the three resistors?
A 63 kg girl weighs herself by standing on a scale in an elevator. What is the force exerted by the scale while the elevator is descending at a constant speed of 10.0 m/s.
The two 10-cm-long parallel wires are divided by 5.0 mm. For what value of the resistor will the force between the two wires be 1.08×10-4 N.
A slide projector needs to create a 96 cm-high image of a 2.20 cm-tall slide. How far should you place the lens from the slide.
Water flows through a Venturi meter with a pipe diameter of 10.0 cm and a constriction diameter of 5.6 cm. The U-tube manometer is partially filled with mercury.
An x-ray tube accelerates electrons from rest at 5.0×10 14th m/s(squared) power through a distance of 20cm . (Such high accelerations are possible because electrons are extremely light.) Find the electrons'velocity after this acceleration. Find th..
What is the normal force that the incline exerts on the block. find the acceleration of the block.
In deep space two spheres each of radius 5.00 m are connected by a 3.00 x 10^2 m nonconducting cord. If a uniformly distributed charge of 35.0 mC resides on the surface of each sphere, calculate the tension in the cord.
Two charges, +q and -q, are located in the x-y plane at points (0,+d/2) and (0,-d/2), respectively. Calculate the magnitude of the electric field at point P with the superposition principle
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