How many turns does the coil have
A circular coil of wire carries a current of 22 A. The radius of the loop is 9.0 cm, and the magnitude of the magnetic field at the center of the loop is 6.0 mT (millitesla). How many turns does the coil have?
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The pressure is 50 psi. At a point 40 ft away the diameter reduces to 3 in. Calculate the pressure here when the pipe is horizontal and when the pipe is vertical with flow downward.
A spaceship lifts off vertically from a planet where g = 7.0 m/s2. If the ship has an upward acceleration of 1.8 m/s2 as it lifts off, what is the magnitude of the force exerted by the ship on its pilot, who weighs 665 N on Earth?
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Determine the speed of the crate 3s afterward. The coefficient of kinetic friction between the crate and the plane is u= 0.4.
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An RCL series circuit has a 18-ohm resistor, a 0.050-H inductor, and a 1.5x10-4 F capacitor. The generator has an rms voltage of 240 volts. What is the rms current in the circuit when the generator is set to 30.0 Hz?
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