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An infinite conducting sheet lies in the xy plane. It has a width of 4.5 cm and a current density of 5200 A/m^2 in the negative direction. what is the direction of the force on the electron
A long solenoid lying along the x-axis, as shown, has a 0.2 T field inside its coils. What is the magnitude of the magnetic force on the particle
A tank holds a layer of oil, 1.65 m thick, which floats on a layer of syrup that is 0.83 m thick. Both liquids are clear and do not intermix. A ray, The index of refraction of the syrup is
The south pole of a bar magnet sits inside a rectangular, closed Gaussian surface, while the north pole sits outside. What is the magnetic flux through the closed surface
A headphone manufacturer warns that to protect your hearing, What is the corresponding sound intensity
Calculate the frequency of the tone perceived by the person if he is moving away from the speaker with a speed of 48 m/s
A speaker generating a tone at 285 Hz is moving towards a stationary observer with a speed of 35 m/s
An organ pipe is 1.42 m long. What is the first harmonic frequency of this pipe when it is open at both ends
A hiker is approaching a sheer cliff wall. She yodels, and hears the echo of her yodel after 3.3 s. How far is she from the cliff
One of your friends pulls on a rope with 3 units of force and other pulls on a second rope with 5 units of force, How hard and what direction must you pull
Two 29.0%u2212cm -focal-length converging lenses are placed 14.0cm apart. An object is placed 39.0cm in front of one lens. Where will the final image formed by the second lens be located
A celebrity holds a press conference, which is televised live. A television viewer hears the sound picked up by a microphone directly in front of the celebrity, determine the maximum distance betwe
A uniform round tube of diameter 6.32 cm has two piston tops which are balanced at exactly the same height due to a mass (m) on the left side, What mass (m) is required to balanced the system
A cylinder of radius 25 cm is filled with an ideal fluid, If the height of the two cylinders is exactly the same, what mass should be placed on the second cylinder to balanced the system
A lake is 28.3 meters deep at its deepest point. The density of water in the lake is 1000 kg/m^3. what is the absolute pressure at the bottom of the lake
A parallel-plate capacitor having square plates 4.50cmcm on each side and 8.00mmmm apart is placed in series with an ac source of angular frequency 650radrad/s, What is the resonance angular frequ
An L-R-C series circuit has 97.5%u03A9 , and the amplitude of the voltage across the resistor is 30.0VV . What is the average power delivered by the source
A cube with side length 1.53m of solid Styrofoam is completely submerged in fresh water such that the top of the Styrofoam block, what is the buoyant force acting upon the Styrofoam block
under controlled darened conditions in the laboratory, a light receptor cell on the retina of a person's eye can detect a single photon of light of wavelength 506nm, What is the intensity in W/m^2 d
Use the table shown below to determine the energy in eV of the photon emitted when an electron jumps down
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.20uT, What is the amplitude of the associated electric field
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
The frequency at the other end of the broadcast band is 0.538MHz . What is the maximum capacitance of the capacitor if the oscillation frequency is adjustable over the range of the broadcast band
A 20.0%u03BCF capacitor is charged by a 160.0-VV power supply, then disconnected from the power, Calculate the oscillation frequency of the circuit
A simple circuit is set up that only consists of a 12 V battery connected to a light bulb with a resistance of 4 Ohms