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from the concentration of the red dye and the total volume of the combined fractions calculate the number of moles of
a surface whose work function is 25 ev is illuminated by alight whose wavelength is 152 nm what is the maximum velocity
the planet saturn has a satellite titan which travels in anorbit of radius 122e9m with a period of 1595 days calculate
a horizontal aluminum rod 4cm in diameter projects 52 cm froma wall a 1700kg object is suspended from the end of the
a 82 kg ice hockey player standing on a frictionless sheet ofice throws a bowling ball horizontally with a speed of
a solid square pinewood raft measures 44 m on a side and is 280 m thick what is the total mass of swimmers that the
if 500cm of copper wire diameter 10mm is formed into a circular loop and placed perpendicular to a uniform magnetic
light strikes a surface at an angle of 47 degrees the angleof refraction is measured to be 34 degrees what is the index
an ore sample weighs 1400 n inair when the sample is suspended by a light cord and totallyimmersed in water the tension
a barrel contains a 0100 m layerof oil floating on water that is 0390m deep the density of the oil is 600 kgm3a what is
a spherical balloon is made from a material whose mass is 233 kgthe thickness of the material is negligible compared to
a satellite is in a ciecular orbit 21000 km above the earths surface it moves on a circular path nder the influence of
if the electron affinity for an element is a negative number does it mean that the anion of the element is more stable
a golfball rolls off a horizontal cliff with an initialspeed of 114 ms the ball falls a vertical distance of 155m intoa
your task in physics laboratory is tomake a microscope from two lenses one lens has a focal length of 24 cm the other12
a state trooper chases a speeder along astraight stretch of road both vehicles move at 155 kmh the siren on the
assuming complete dissociation of the solute how many grams of must be added to 275 of water to produce a solution that
platinum has a face-centered cubic crystal structure and a density of 215gcm3 what is the radius of the platinum
a 2 kg book rests on a frictionless horizontal surface acord attatched to the book passes over a pulley whose diameter
can anyone suggest a simple method for the separation of phenol from a solution which contains both phenol and
a rectangular prism of plastic rho600kgm3measuring 2cm x 2cm x 4cm is dropped into a bucket of gasolinerho700 kgm3 how
siler metal crystalizes in a face-centered cubic lattice with l as the length of one edge of the unit cube the
a solution of 750g of benzene and 750g of toluene has a total vapor pressure of 809mmhg at 303k another solution of
a hollow sphere of inner radius 72 cm and outer radius92 cm floats half-submerged in a liquid of density 900kgm3 what
the atmic planes in a graphite crystal are separated by 335pm at what angle wuld you find the first ordern1 diffraction