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The area enclosed with the wire loop in the figure below is reduced from 27 cm2 to 9 cm2 in a time interval of 0.09 s. The magnitude of the magnetic field is 0.46 T. Discover the emf induced in the wire.
question an 18-cm-long bicycle crank arm with a pedal at one end is attached to a 20-cm-diameter sprocket the toothed
at what temperature will aluminum have a resistivity that is three times the resistivity of iron at room temperature?
Suppose in the drawing that I1 =I2 = 23.6 A and that the separation between thewires is 0.0467 m. By applying an external magnetic field (createdby a source other than the wires) it is possible to cancel themutual repulsion of the wires. This exte..
In a Rutherford scattering experiment, an ?-particle (charge = +2e) heads directly toward a silver nucleus (charge = +47 e). The ?-particle had a kinetic energy of 4.7 MeV when very far (r ) from the nucleus. Assuming the silver nucleus to be fixed i..
A coil with resistance 0.05( and self-inductance 0.01H is connected across a 12-volt battery of negligible internal resistance. a) How long after the switch is closed will the current reach 95% of its final value.
A wave pulse travels down a slinky. The mass of the slinky is m = 0.94 kg and is initially stretched to a length L = 7.5 m. What is the speed of the wave pulse
a 6.60 capacitor that is initially uncharged is connected in series with a 4700 resistor and a 505 emf source with
A fisherman fishing from its highest to its lowest point. What is the speed of the waves going past the pier
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 5.20 m/s2 over a distance of 20.4 cm. Find the total time the block is in motion
A test tube contains 2.90x10^-4 m3 of liquid carbon tetrachloride (? = 1240x10^-6 (C°)-1) at a temperature of 82.0°C. Find the volume of carbon tetrachloride in the test tube at -14.0°C
A plastic rod is rubbed against a wool shirt there by aquiring the charge of -0.80 mC. how many electrons are transfered from the wool shirt to the plastic rod.
Two cars, both of mass m, collide and stick together. Prior to the collision, one car had been traveling north at speed 2v, while the second was traveling at speed v at an angle phi south of east (as indicated in the figure).
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