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An electric generator contains a coil of 90 turns of wire formed into a rectangular loop 40.0 cm by 35.0 cm, placed entirely in a uniform magnetic field with magnitude B = 3.50 T and with Bvec initially perpendicular to the coil's plane. What is the maximum value of the emf produced when the coil is spun at 1000 rev/min about an axis perpendicular to Bvec?
You drive on Interstate 10 from San Antonio to Houston, half the time at 63 km/h and the other half at 86 km/h. What is your average speed for the entire trip
A copper wire has a total lenght of 28m. Half of the wire has a cross-sectional area of 6 mm^2, what is the current through this wire
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
A Carnot engine has a power output of 130 kW. The engine operates between two reservoirs at 20°C and 500°C, How much energy does it take in per hour
A slab of marble is resting on the ground. It weighs 600 N and has the dimensions 0.1m x 0.2m x 1.0m. What is the greatest pressure that the slab can exert on ground.
An open railroad car of mass 2496 kg is coasting with an initial speed of 17 m/s on a frictionless, horizontal track. How much water (in kilograms) has accumulated in the car
A solenoid with a cross-sectional area of 1.70*10^-3 is 0.735m long and has 485 turns per meter. Find the magnitude of induced emf in this solenoid
A guitar string with mass density ? = 0.00021 kg/m is L = 0.95 m long on the guitar. The string is tuned by adjusting the tension to T = 82.6 N. find With what speed do waves on the string travel
A locomotive accelerates a 25-car train along a level track. Every car has a mass of 7.6 ? 104 kg, What is the tension in the coupling between the first car and the locomotive
How fast was the car traveling as it went over the cliff.
The inside diameters of the larger portions of the horizontal pipe depicted in the figure below are 2.42 cm. Determine the inside diameter of the constriction
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 10.00 cm long and 3.00 mm in diameter is compressed an average of 65.0 µm by a 0.415 kg hammer during a 1.20 ms collision
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