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a 255 kilogram piano slides 42 meter down a 30 degrtee incline and is kept from accelerating by a person who is pushing
depict complete mechanisms that explain resultant product distributions observed for the reactions of tert-butyl
a student unfamiliar with the utilization of pipets incorrectly transferred the less than 500 ml of cuno32 solution
two capacitors give an equivalent capacitance of 9 pf when connected in parallel and an equal capacitance of 2pf when
in downhill speed skiing a skier is retarded by both the air drag force on the body and the kinetic frictional force on
if a student received an unknown sample from the instructor and prepared a diluted solution by pipeting 1500 ml of the
explain a solution is prepared by dissolving 896g of a nonvolatile solute in 175 g of water explain the vapor pressure
compute the vapor pressure of a solution of 039 mol of cholesterol in 54 mol of toluene at 32 degrees celsius pure
a 62 kilogram box is being lifted by means of a light rope that is threaded through a single light frictionless pulley
a particle of mass 3 kilogram is attached to the end of a ring of length 4meter whose other end is fixed determine the
determine two aqueous solutions one of sucrose and the other of nitric acid both solutions freeze at -15 degree celsius
a car of mass 1200 kilogram is traveling at 280 ms the driver applies the brakes to bring the car to rest over a
explain what is better for cleaning when a hard water is used a soap or a detergent and
a 40-pf capacitor is immersed in silicone oil which has a dielectric constant of 26 when the capacitor is connected to
explain what is defined as hard water explain what cations specifically are characterized by a hard
explain a 150 ww nicl2 12961 gmol solution has a density of 1149 gml compute the molar concentration of nicl2 in this
the dielectric of a parallel plate capacitor is to be a slab of glass that totally fills the volume between the plates
a 245 kilogram steel ball strikes a wall with a speed of 100 ms at an angle of 600 degree with the surface it bounces
assume the coefficient of static friction between the tires and the road on a care is 060 and the car has no negative
a block weighing 675 newton rests on a plane inclined at 250 degree to the horizontal a force f is applied to the
a light rod l00 meter in length about an axis perpendicular to its length and passing through its center two particles
100 gram of ice at 0oc is located into 100 gram of warm water in an insulated container the initial temperature of the
the escape velocity of a bullet from the surface of planet y is 1599 ms determine the escape velocity from the surface
find the ratio of the magnitude of the gravitational force between a 3100 kilogram mass on the surface of the earth due
you are standing still just to the side of a set of train trackers a train passes by moving at 250 ms just as it passes