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a series ac circuit contains a resistor an inductor of 210 mh a capacitor of 510 microf and a source with vmax 240 v
a stretched spring stores 22 of energy how much energy will be stored if the spring is stretched three times as
two mirrors are at an angle of 45 degrees to each other a light beam strikes the bottom mirror which is horizontal at
a solid disk of radius 630cm and mass 115kg which is rolling at a speed of 150ms begins rolling without slipping up a
when responding to sound the human eardrum vibrates about its equilibrium position suppose an eardrum is vibrating with
air undergoes a polytropic expansion process in a piston-cylinder assembly from 75 psia and 300 f to 15 psia employing
a block of unknown mass is attached to a spring of spring constant 51 nm and undergoes simple harmonic motion with an
a narrow tube open at one end has varibale length when a vibrating tuning fork is held near one end the sound intensity
a bowling ball solid sphere mass727 and radius127cm is rolling on level ground at a constant angular speed of 55rads
water contained in a piston-cylidner assembly undergoes 2 processes in series from an initial state where the
s and p waves simultaneously radiated from the hypocenter of an earthquake are received at a seismographic station 173
common sports injuries result in the tearing of tendons and ligaments due to over stretching if the anterior cruciate
a 380-g bullet moves with a speed of 180ms perpendicular to the earths magnetic flied of 500x10-5t if the bullet
a light ray is traveling toward an interface between sapphire n 176 and water n 133 what is the critical angle for
helium-neon laser light of wavelength 10045 nm is sent through a 0473 mm wide single slit what is the width of the
on an old-fashioned rotating piano stool a woman sits holding a pair of dumbbells at a distance of 0590 from the axis
a certain kind of glass has an index of refraction of 1640 for blue light of wavelength 440 nm and an index of 1595 for
visible light wavelength 400 - 700 nm passes through a diffraction grating with 5000 linescm and illuminates a wall 50
a 0320 kg croquet ball makes an elastic head-on collision with a second ball initially at rest the second ball moves
a distant galaxy is moving away from the earth with a speed that results in each wavelength received on the earth being
a youngs interference experiment is performed with blue-green laser light the separation between the slits is 0500 mm
in the bohr model of hydrogen the electron moves in a circular orbit around the nucleus determine the angular speed of
an ac voltage of the form v 100 sin 1 000t where v is in volts and t is in seconds is applied to a series rlc circuit
gold and silver have densities of 193 and 105 grams per cubic centimeter respectively if you have equal volumes of each
determine the moment of inertia for three children weighing 570 lb 420 lb and 78 lb sitting at different points on the