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A plane of a 5.0 cm x 8.0 cm rectangular loop of wire is parallel to a 0.19 T magnetic field. The loop carries a current of 6.2 A.
(a) What torque acts on the loop?
(b) What is the magnetic moment of the loop?
(c) What is the maximum torque that can be obtained with the same total length of wire carrying the same current in this magnetic field?
A 180kg hoop rolls along a horizontal floor so that the hoop's center of mass has a speed of 0.130m/s. How much work must be completed on the hoop to stop it.
Two forces are acting on an object: 8 N [N22.1 ºE], and 5 N [S 34.8 ºE]. What is the magnitude (in N) of the resultant force acting on the object.
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 55° above horizontal.
An initially motionless test car is accelerated uniformly to 145 km/h in 8.28 seconds before striking a simulated deer. The car is in contact with the faux fawn for 0.455 seconds, after which the car is measured to be traveling at 60.0 km/h.
Calculate the electric field within the membrane, if the thickness of the membrane were quadrupled.
A sinusoidal voltage ?v = (75 V) sin (140t) is applied to a series RLC circuit with L = 20 mH, C = 100 ?F, and R = 46 ?. What is the impedance of the circuit
A circuit contains six 210 lamps and a 14 heater connected in parallel. The voltage across the circuit is 120V. If the circuit has a 12A fuse, will the fuse melt if all the lamps and the heater are on.
What is he wavelength of a 22.75*10^9 Hz radar signal. What is the frequency of an X-ray with wavelength 0.12nm
A flat sheet of crystalline quartz has a thickness of 3.7cm. It is on top of a flat sheet of diamond that has a thickness of 2.6cm. Light strikes the crystalline quartz vertically and travels through it and then through the diamond.
A toy spacecraft is launched directly upward. When toy reaches its highest point, a spring is released and the toy splits into two parts with masses of .c2 kg and .08 kg.
A wire is 1.4 m long and 1.3 mm2 in cross-sectional area. It carries a current of 5.8 A, Calculate the conductivity of the material of which this wire is made
When placed 1.2 m apart, the force each exerts on the other is 12 N and is repulsive. What is the charge on each? What if the force were attractive.
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