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a closely wound circular coil with a diameter of 400cm has 600 turns and carries a current of 0500 a what is the
a capacitor is completely charged with 670 nc by a voltage source that had 275 v its capacitance is 244nf the initial
a plane sinusoidal electromagnetic wave has a magnetic field amplitude of 5 x 10-5 ta how much energy is contained in a
a physicist visits a wealthy friend marketing major who has a swimming pool the physicist a theoretician accidentally
in the winter a thin film of ice nice 131 can form on a window nglass 150calculate the minimum thickness of the
a thin sheet of transparent material is surrounded by air the sheet has an index of refraction of 147 and is
the cylindrical beam of a 800 mw laser is 080 cm in diameter what is the rms value of the electric
in the 1850s armand fizeau and jean-bernard-leon foucault made the first measurements of the speed of light in water
a truck of mass 2200kg leaves town moving at 25 ms to the north outside town the truck turns north-east and changes
a sample of ethyl alcohol c2h5oh has a density of 806 kgm3 and a volume of 294 x 10-3 m3a determine the mass in kg of a
an ac generator supplies an rms voltage of 115 v at 600 hz it is connected in series with a 0350 h inductor a 310 f
the security alarm on a parked car goes off and produces a frequency of 960hz the speed of sound is 343ms as you drive
a defibrillator is used during a heart attack to restore the heart to its normal beating pattern a defibrillator passes
a resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0295 mh and the
a double slit illuminated with two different colors of wavelengths 694 and 425 forms a two-colored diffraction pattern
monochromatic light is normally incident on a diffraction grating that is 1 cm wide and has 10000 slits the first order
a copper container of mass 0080kg and specific heat 387jkg-1k-1 contains 03kg of water and 004kg of ice at 0 degrees
a 70 ball of clay traveling at speed hits and sticks to a 12 kg block sitting at rest on a frictionless surface what is
if there were two kinds of electrons you could put 4 not just 2 in a given state what would be the atomic number of the
the electron in a hydrogen atom is infintely distant at zero potential energy and is at an average radius of a00529 nm
a person standing barefoot on the ground 20 m from the point of a lightning strike experiences an instantaneous
the body contains many small currents caused by the motion of ions in the organs and cells measurements of the magnetic
a horizontal rod 0200 m long carries a current through a uniform horizontal magnetic field of magnitude 0067 t that
in a cloud chamber experiment a proton enters a uniform 0250 t magnetic field directed perpendicular to its motion you
a conducting rod slides down between two frictionless vertical copper tracks at a constant speed of 53 ms perpendicular