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An electric generator consists of a rectangular coil of wire rotating about its longitudinal axis which is perpendicular to a magnetic field of B = 1.10 × 10-2 T. The coil measures 18.00 cm by 18.00 cm and 150.00 turns of wire. The ends of the wire are connected to an external circuit. At what speed must you rotate this coil in order to induce an alternating emf of amplitude 11.00 V between the ends of the wire? Give you answer in rev/s. Do not enter the units.
A small boat is headed for a harbor 34 km directly northwest of its currentposition when it is suddenly engulfed in heavy fog. The captainmaintains a compass bearing of northwest and a speedof 10.8 km/h relative to thewater.
Three charges, +2.6 \mu C, -4.9 \mu C, and-7.2 \mu C, are located at (-0.21 m,0.12 m), (0.52 m, -0.35 m), and (-0.46 m,-0.34 m) respectively. What is the electric field at theorigin? Enter the x and ycomponents of the field separated by a comma.
An objectweighing 330 N in air is immersed inwater after being tied to a string connected to a balance. Find the density of the object and oil
A series LR circuit with L = 20 mH and R = 2.0 k? is connected to a potential source of amplitude 5.0 V and angular frequency 200 rad/s. find the voltage across the resistor and the inductor
A laboratory technician drops a 0.0850-kg sample of unknown material, at a temperature of 100.0C, into a calorimeter. The calorimeter can, Compute the specific heat capacity of the sample
A car with mass M traveling with speed V has a kinetic energy KE. What is the kinetic energy of a second car that has mass M/2 and travels with speed 2V
A proton is moving through a magnetic field of strength 2 kT with a speed of 2.5*10^8 m/s, what is the angle between the proton's velocity and the direction of the field
At this point, he throws a 39 yard forward pass straight down the field. Illustrate what is the magnitude of the football's resultant displacement?
A crate is sliding down a ramp that is inclined at the angle of 33° above the horizontal. The coefficient of kinetic friction between the crate and the ramp surface is 0.479. Find the acceleration of the moving crate.
An angry rhino with a mass of 2300 kg charges directly toward you with a speed of 4.30 m/s. Determine the speed of the ball after it bounces back elastically toward you
The 1 kg block is tied to the wall with a rope. It sits on top of the 2 kg block. The lower block is pulled to the right with a tension force of 20 N. The coefficient of kinetic friction at both the lower and upper surfaces of the 2kg block is = 0..
A paper filled capacitor is charged to a potential difference of 2.1 V and then disconnected from the charging circuit. The dielectric constant of the paper is 3.7. Find the resulting potential difference off the capacitor
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