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A uniform magnetic field of 25 mT magnitude points in the direction of <0,0,-1>. There is a wire that is 1.4m long and straight, but has a loop smack in the middle. The wire stretches along the x-axis and the wire and the loop are in the x-y plane. The loop has a radius of 3cm. The wire is then quickly - within 50ms - pulled taut and the loop disappears. Calculate the amount of voltage induced if measured at the ends of the wire.
A 0.250 kg block is placed on a vertical spring (k = 5.0 x 10^3 N/m) and pushed downward, compressing the spring 0.10 m. As the block is free, it leaves the spring and continues to travel upward. What height above the point of release would the bl..
A 41.0 mA current is carried by a uniformly wound air-core solenoid with 455 turns, a 10.0 mm diameter, and 13.0 cm length. Compute the magnetic field inside the solenoid
An electron of mass 9.11×10?31kg leaves one end of a TV picture tube with zero initial speed and travels in a straight line to the accelerating grid, Find the net force. (You can ignore the gravitational force on the electron)
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. How far short of the target should it drop the package
A high-voltage transmission line with a resistance of 0.32 /km carries a current of 1000 A. What is the power loss due to resistance in the line
An 82 kg lumberjack stands at one end of a 355 kg floating log. Both the log and the lumberjack are at rest initially. If the lumberjack now trots toward the other end of the log with a speed of 2.70 m/s relative to the log, what is the lumberjack's ..
During an initial stage of construction, the beam is not to be bolted to the wall, but to be held in place solely by friction. What is the least coefficient of friction between the beam and the wall for the beam to remain in static equilibrium.
A spherical mirror is to be used to form a real image of an object that is located 5 meters from the object. What type of mirror needs to be used
You are in a laboratory and investigating properties of a converging lens. You place a screen 80 cm away from the object, Calculate how far the image is from the lens
What is the frequency of string that was tightened.How high does it rise above the ground.
An ice chest at a beach party contains 15 cans of soda at 3 ° C. Each can of soda has a mass of 0.38 kg, determine the final temperature T of the soda and watermelon
You are riding on a Jet Ski at some angle upstream on a river flowing with a speed of 2.8. Assume the Jet Ski is moving at a speed of 12 relative to the water. At what angle should you point the Jet Ski if your velocity relative to the ground is t..
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