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Two speakers, each with a power output of 0.510 Watt, are mounted facing each other and 33.8 meter apart. If the speakers are each broadcasting an amplified static buzz uniformly in all directions,
(a) Find the total sound intensity a person hears when they are midway between the speakers?
(b) Find the total sound intensity the person hears after they move directly toward one of the speakers for a distance of 5.2 meter?
Estimate the electron drift velocity. Estimate the current density. Estimate the electric field in the wire.
A conducting rod slides down between two frictionless vertical copper tracks at a constant speed of 5.3 m/s perpendicular to a 0.62-T magnetic field. Find the electrical energy dissipated in the resistor in 0.21 s
two solenoids are nested coaxially such that their magnetic fields point in opposite directions. treat the solenoids as
A proton of mass 1.67 times 10^-27 kilogram travelling at a speed of 6.8 times 10 ^7 m/s hits a stationery unknown particle. Compute the mass of the unknown particle
A 2.0cm X 2.0cm parallel-plate capacitor has a 2.0mm spacing. The electric field strength inside the capacitor is 1.5×10^5 V/m. how much is the charge on each plate
A certain LCD projector contains a single thin lens. An object 29.5 mm high is to be projected so that its upright image fills a screen 2.52 m high. Find the focal length of the projection lens
consider a 50.0 g ice cube placed in a container containing 200 g of water. the water is initially at 25.0 c and the
A chimney sweep is climbing a long ladder that leans against the side of a house. find the displacement of her feet from the base when she has climbed twice as far
a sealed container contains 8 moles of radon gas at stp. estimate the number of radon atoms having speeds in the range
Under normal conditions, humans radiate electromagnetic radiation of frequency 3.33 x 1013 Hz. What is the wavelength associated with this radiation
One end of a short aluminum rod is in a campfire and the other end is in a block of ice. find how much energy goes from the rod into the fire
Determine the maximum charge per area that can be stored on a parallel plate capacitor if the region between the plates is filled with silicon oil
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