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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
how many time constants a decimal number must elapse before a capacitor in a series rc circuit is charged to 750 of its
a 12 kg block is tied to a string that is wrapped around the rim of a pulley of radius 72 cm the block is released from
the intensity of the sunlight that reaches earths upper atmosphere is approximately 1335 wm2a what is the average
the rotor in a centrifuge has an initial angular speed of 430 rads after 41 s of constant angular acceleration its
in a 125 t magnetic field directed vertically upward a particle having a charge of magnitude 850 c and initially moving
a 16 mh inductor is connected across an ac generator that produces a peak voltage of 11vwhat is the peak current
light with a wavelength range of 145-295 nm shines on a silicon surface in a photoelectric effect apparatus and a
a 16mh inductor is connected in parallel with a variable capacitor the capacitor can be varied from 100 pf to 200
1 maria stands at the top of a 30 meter high cliff she tosses a stone vertically up into the air off the edge of the
the magnetic field inside a superconducting solenoid is 41 t the solenoid has an inner radius of 22 cm and a length of