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In a simple electric generator, a circular loop of 950 turns, radius 0.060 m, rotates within a uniform magnetic field. What is the magnetic field strength if an average emf of 0.065 V is induced when the coil rotates from parallel-to-the-field to 45 degrees in 0.010 s?
You set up an experiment with two polarizer screens on an optical bench and collect data for the intensity of the light, What is ambient light in the room as you took your data
Determine the magnitude of the torque that is being exerted on the loop and the direction the loop will want to rotate. Indicate the direction of rotation through the diagram.
one can not align the apparatus to eliminate entirely the effects of the earths magnetic field. consider the case where
A communications satellite is in a synchronous orbit that is 3.6 x107 m directly above the equator. The satellite islocated between two cities almost on the equator that are separated by a distance of 3.5 x 106 m.
A hockey puck that is sliding on an icy surface will eventually stop. The horizontal force that will make the puck stop is due tofriction between puck and ice. Draw qualitative plots of position,velocity, and acceleration as functions of time.
A positively charged He+ atom has one electron in the shell and two protons in the nucleus. In a classic model of the atom, in a certain state, this electron is in a circular orbit around the nucleus by an angular momentum of 2.584×10-34Js. What is t..
A particle with charge of 4 microcoloumbs is at the origin, another identical particle is placed 2 m from the origin on thepositive x-axis and another 2 m on the positive y-axis.
A typical nuclear power plant converts 0.01 percent of the mass of its fuel into energy through nuclear reactions. Find how much fuel would be needed to power an average city for one day
A skateboarder is standing at the top of a tall ramp waiting to begin a trip. The skateboarder has A) kinetic energy only. Eliminate B) potential energy only. C) Both potential and kinetic energy. D) Neither kinetic nor potential energy.
A 50 foot garden hose isfilled with sea water. What is the resistance from one end to the other, what is the current density in the hose
A specific satellite was placed in a circular orbit about 140 meter above the Earth. Determine what is the orbital speed of the satellite
A light bulb is rated at 60 W when connected to 120V. What current flows through the bulb in this case
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