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the electric field at the point x 500 cm and y 0 points in the positive x direction with a magnitude of 500 nc at the
a rectangular plate has a length of 197 plusmn 02 cm and a width of 86 plusmn 01 cm calculate the area of the plate
a molecule of dna deoxyribonucleic acid is 228 microm long the ends of the molecule become singly ionized negative on
a kicker punts a football from the very center of the field to the sideline 36 yards downfield what is the magnitude of
a bicyclist makes a trip that consists of three parts each in the same direction due north along a straight road during
in the figure below a particle moves along a circle in a region of uniform magnetic field of magnitude b 350 mt the
when one gallon of gasoline is burned in a car engine 119 x 108 j of internal energy is released suppose that 100 x 108
a beta -emitting radiation source gives 250 units of radiation at a distance of 50mat what distance does the radiation
julie throws a ball to her friend sarah the ball leaves julies hand a distance 15 meters above the ground with an
the freezing point of mercury is -388c what quantity of energy in joules is released to the surroundings if 100 ml of
the world consumes energy at the rate of about 456 per year where the joule is the si energy unit convert this figure
a soccer ball is kicked with an initial horizontal velocity of 150 ms and an initial vertical velocity of 140 msa what
a carnot engine has 40 g of helium gas as its working substance it operates between two reservoirs of temperatures t1
the ksp of ba3po42 is 60 x 10-39 how many grams of ba3po42 can be dissolved in 250ml of solution before the solution
if a car traveling at 23 ms is brought to a full stop in 38 s after the brakes are applied find the average
a 7200 kg roller coaster train with a speed of 900 kmh brakes to a stop at the end of the ride how many calories of
if we could take ir spectra on decanedioyl chloride and the product that you made which of these two molecules would
a container with a one-liter capacity at 27 degrees c is filled with helium to a pressure of 2 atm 1 atm 10x105 nm2
a gaseous compound containing hydrogen and carbon is decomposed and found to contain 8266 carbon and 1734 hydrogen by
you drop a stone into a deep well and hear it hit the bottom 310 s later this is the time it takes for the stone to
a net force of256n accelerates a bike and rider at223ms2 what is the mass of the bike and rider
calculate te theoretical quantities of thionyl chloride and sodium borohydride needed to convert benzoin to
a swimmer is capable of swimming110ms in still watera if she aims her body directly across a 150-m-wide river whose
use the clausius-clapeyron equation to estimate the boiling point of water at 240torr pressure the average enthalpy of
in 1916 milikan used measurements of the kinetic energy of photoelectrons to detemine plancks constant in order to