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the total cross-sectional area of the load-bearing calcifiedportion of the two forearm bones radius and ulna is
a student drops two metallic objects into a 120 g steel container holding 150 g of water at 25degc one object is a220 g
a sound wave with an intensity level of 810 db is incident on an eardrum of area0600 10-4 m2 how much energy is
when 215 g of a substance is heated to 330degrees celcius andthen plunged into a 100-g aluminum calorimeter cup
one of james bonds adversaries is standing on a frozen lakethere is no friction between his feet and the ice he throws
three moles of a monatomic ideal gas are heated at a constantvolume of 240 m3 theamount of heat added is 472 103 ja
the distance to a point source is increased by a factor of3a by what factor does the intensity decreaseb by what amount
one hundred turns of insulated copper wire are wrapped arounda wooden cylindrical core of cross-sectional area 805
the density of helium gas at t0 degrees celcius is 0179kgm3 temp is raised to 100 degrees celcius but pressure
an electron drops from the l shell to the k shell and givesoff an x-ray with a wavelength of 00200 nm what is the
a 67-kg skier is going down a 31 deg slope the area of eachski in contact with the snow is 019 m2 determine the
a bicyclist traveling with speed v 42 ms on a flat road ismaking a turn with a radius r 64m the forces acting on
one gram of water changes from liquid to solid at a constantpressure of 100 atm and a constant temperature of 0degc in
air like all fluids exerts a buoyant force on objects thusan objects apparent weight in air is slightly less than its
a cat stands facing a converging lens with its tail in theair under what circumstances if any would the image of
a 3690-linecm grating produces a third-order fringe at 214deg angle what wavelength of light is being
if you observe light reflected from saturns rings youshould see a redshift at one edge of the rings and a blueshift
an car mass 1000kg is traveling east30ms it is hit by another car 2000kg whick was travelingnorthwest at 20msthe two
a steel cable is to support an elevator whose total loadedmass is not to exceed 3100kg if the maximum acceleration of
a power of 1 horesepower is equivalent to 746 w what is the power output in horsepower of an electric motor that draws
a rotating bicycle wheel has an angular speed of 3 rads at t 0 it is also given an angular acceleration of 15rads2a
an car mass 1000kg is traveling east 30ms it is hitby another car 2000kg whick was traveling northwest at20msthe two
a juniper-wood plank measuring 025 ft by 1ft by 16 ft istotally submerged in watera what is its weightb what is the
a storage tank 30 m high is filled with gasolinea find the gauge pressure at the bottom of the tankb calculate the
a light rigid rod 100 in lngth rotates about an axisperpendicular to its length and through its center twoparticles of