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Two coils of wire are located close together. Initially, a current of 3.73 Amp exists in one of the coils, but there is no current in the other. The current is then switched off in a time of 2.67 x 10-2 second. During this time, the average emf induced in the other coil is 3.04 Volt.
Find the mutual inductance of the two-coil system?
two beams of coherent light travel different paths arriving at point p. if the maximum destructive interference is to
A wire of radius 1.5 mm carries a current of 2.8 A. The potential difference between points on the wire 20 m apart is 4.7V. determine the electric field in the wire
an airplane flies in a horizontal circle of radius 4000 m at aconstant speed of 100m/s. The mass of the pilot is 63 kg. What is the net force on the pilot when the airplane isdirectly east of the circle's center
a string is wrapped tightly around a fixed pulley that has a moment of inertia of 0.0352 kg m2 and a radius of 12.5 cm.
What is the mass in grams of 1L of helium gas as STP? (Find moles and then convert moles to grams; atomic mass =4.0grams/mol), Why do helium balloons float
After a 0.838 nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.49E+6 m/s. Through what angle was the photon scattered
There is evidence that elephants communicate via infrasound,generating rumbling vocalizations as low as 14 hz that can travelup to 10 km. The intensity level of these sounds can reach98 dB, measured a distance of 4.5 m from the source
At a given instant in time, a traveling EM wave is noted to have its maximum magnetic field pointing west, what are the maximum values for the two fields
The combination of an applied force and a frictional force produces a constant torque of 41 Nm on a wheel rotating about a fixed axis. Determine the magnitude of the frictional torque
A train is traveling up a 3.3 incline at a speed of 2.45 when the last car breaks free and begins to coast without friction. Explain how long does it take for the last car to come to rest momentarily?
What is the acceleration due to gravity g' on the space shuttle in orbit, 200km above the surface of the earth? The gravitational constant is 6.67 x 10^-11 N*m^2/kg^2, the radius of the Earth is 6.4 x 10^6 m, the mass of the Earth is 6 x 10^24 kg, an..
An astronaut who is repairing the outside of her spaceship accidently pushes away a 90.5-cm-long steel rod, What is the magnitude of the EMF, in millivolts, induced between the ends of the rod
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