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A flat coil of wire is used with an LC-tuned circuit as a receiving antenna. The coil has a radius of 0.35 m and consists of 480 turns. The transmitted radio wave has a frequency of 1.4 MHz. The magnetic field of the wave is parallel to the normal to the coil and has a maximum value of 2.0 multiplied by 10-13 T. Using Faraday's law of electromagnetic induction and the fact that the magnetic field changes from zero to its maximum value in one-quarter of a wave period, find the magnitude of the average emf induced in the antenna during this time.
A 2.46 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring constant is 110 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 10.4 m/s, while spring is..
The generator at a power plant produces AC at 23,000 V. A transformer steps this up to 335,000 V for transmission over power lines. how many turns must there be in the output coil
At this point, he throws a forward pass 45.0 yards straight downfield perpendicular to the line of scrimmage. Illustrate what is the magnitude of the football's resultant displacement?
On a cool morning, when the temperature is 16.0 ^circC, you measure the pressure in your car tires to be 20.0 psi. After driving 30.0mi on the freeway, temperature of your tires is 51.0 ^circC.
A 50 kg bag of sand ar 25 degree C falls 10 m onto the pavement and comes to an abrupt stop. What is the dissapative work done on the sand
A dampled harmonic oscillator is made from a 0.8kg mass on a k=14N/m spring with a damping constant of 400g/s, What is the energy of the oscillator after one oscillation
A violin string of length 35 cm and mass 1.1 g has a frequency of 478 Hz when it is vibrating in its fundamental mode. What is the wavelength of the standing wave on the string
Three resistors, 31 ?, 34 ?, and 68 ?, are connected in series, and a 0.62-A current passes through them. What are the potential difference across this equivalent resistance
A damped mass-spring system oscillates at 280 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 8.4 cm and the energy of the oscillating system is then 84 J.
A common flea that has a mass of 0.008 g can jump vertically as high as 19 cm. Estimate the wavelength for the flea immediately after takeoff
I have a problem in mechanical physics where I'm given the linear mass density of a rigid plastic material. Here's the problem for context: A 42 cm diameter wheel, What is linear mass density
Two large parallel plates are separated by 0.90cmand carry uniform charge densities equal in magnitude and opposite in sign, Find the magnitude of the charge density on the plates
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