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Examine and completely illustrate an experiment to determine the force acting on a charge because of the combination of forces applied by 2 fixed charges when the charge is moved away from the fixed charges. Also show how the resultant force on the charge varies with the change in distance between the charge and the fixed charges. clearly show the result and sample calculation.
A "105-watt" lightbulb uses an average power of 105 W when connected to an rms voltage of 120 V. What is the resistance of the lightbulb
A very large nonconducting plate lying in the xy-plane carries a charge per unit area of 10s. A second such plate located at z = 5.00 cm and oriented parallel to the xy-plane carries a charge per unit area of -1s. Find the electric field for the f..
A 250MW laser pulse is focused with a lens to a diameter of 2.0m. What is the laser beams electric field amplitude at the focal point
A cockroach of mass m lies on the rim of a uniform disk of mass 4m that can rotate freely about its center like a merry-go-round. estimate the angular velocity of the cockroach-disk system
A student sitting on a frictionless rotating stool has rotational inertia 0.90kg?m2 about a vertical axis through her center of mass when her arms are tight to her chest. Ignoring her arm mass, what's her new rotational velocity
A ball of mass m falls from height h,to height hf near the surface of the Earth, as shown at right. When the ball passes it has a speed vf. Ignore air resistance, and assume that any changes in kinetic energy of the Earth are negligible.
at some instant the velocity components of an electron moving between two charged parallel plates are vx1.5x105ms and
The output voltage of an AC generator is given by Δv= 780 V sin (30πt). The generator is connected across a 0.900 H inductor.Find the following. frequency of the generator. rms voltage across the inductor. inductive reactance. rms current in the in..
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 x 10^-6 C, Find q1 and q2
A sinusoidal transverse wave is traveling on a string. Any point on the string: Moves in the same direction as the wave. Moves in uniform circular motion with the same angular speed as the wave.
A certain light truck can go around a curve having a radius of 104 m with a maximum speed of 37 m/s. To have the same acceleration, at what maximum speed can it go around a curve having a radius of 52 m
After they have exchanged charge and are placed 24 cm apart the magnitude of the electric force is now 3.6 Newtons. How much charge, in micro-coulombs, was exchanged
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