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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
648g of nah2po4 and 2196 g of k2hpo4 are dissolved in sufficent water to make a liter of solution caluclate the ph of
a block of unknown mass is attached to a spring of spring constant 51 nm and undergoes simple harmonic motion with an
17g of 23-dimethyl-13-butadiene is refluxed with 17g of maleic anhydride in toluene and 1g of product is recrystallized
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
the density of water is 100 gml and the density of propanol c3h8o is 0866 gml what volume of propanol contains the same
s and p waves simultaneously radiated from the hypocenter of an earthquake are received at a seismographic station 173
acetate ion and acetic acid in a 6-liter solution to which have been added 24 mole of hcl and 064 mole of sodium
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 solid aluminum sphere has a mass of 87g how do you use the density of aluminum to find the radius of the sphere in
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 box contains a mixture of small copper spheres and small lead spheres the total volume of both metals is measured by
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 522 mg portion of tri-protonated arginine is disolved in 9955ml of distilled deionized water then 45mls of 015n naoh
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