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300 loops of wire rotating in a uniform magnetic field produce a force of 35.7 Newton. If the total length of the wire is 150 meter, the current is 12 Amp and the magnetic field strength is 678 G, explain what happening to the loop of the wire?
A dentist's mirror is placed 2.1 cm from a tooth. The enlarged image is located 5.7 cm behind the mirror. (a) What kind of mirror (plane, concave, or convex) is being used
A circular loop of wire with areal A lies in the xy-plane. As viewed along the z-axis looking in the -z direction toward the origin, Determine the vector magnet moment of the current loop
A cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 2.2 x 106 Newton. Evaluate what cross-sectional area should the cable have if it's to be made of steel
The radii of curvature of the surfaces of a thin converging meniscus lens are R1 = 12.0cmand R2 = 28.0cm. Is the final image erect or inverted with respect to the original object
A Carnot engine absorbs 4.65×103 Joule from the hot reservoir and expels 3.12×103 Joule to the cold reservoir during each engine cycle. Evaluate what is the temperature of the hot reservoir
there are approximately 109 million tvs in the united states. each uses on average 74 w of power and is turned on for
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
A student makes a short electromagnet by winding 160 turns of wire around a wooden cylinder ofdiameter d = 4.0 cm. What is the magnetic moment of this device
A solenoid 27.0 cm long and with a cross-sectional area of 0.510cm2 contains 410 turns of wire and carries a current of 70.0 A, Calculate the energy density in the magnetic field if the solenoid is filled with air
The mass of the moon os 7.3*10^22 kg and its radius is 1.74*10^6m. What is the acceleration due to gravity on the surface of the moon? What is the weight of an astronaut if his mass is 75kg?
a if your usual weight is 180 lbs and you are in an elevator which is going up and speeding at a rate of 8 fts2 what
a camera lens is initially set at f16 for a shutter speed of 1160s. if the amount of lighting on the subject is
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