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a diamond in air is illuminated with white light on one particular facet the angle of incidence is 3700 degree inside
a 100 meter long 200 n ladder rests against a wall frictionless the angle between the floor and the ladder is 622o a
the hydrogen gas is collected over water at 23 degrees c and on atmospheric pressure of 756 mm hg defines what would be
calculate the critical velocity above which the spinning of a fast symmetrical top around a vertical axis is
put 12 ml of feii into flask add 20 ml water to it add 1 ml of 9m h2so4 2drops mnso4 and 1 drop of 3 m h3po4 to the
an inductor used in a dc power supply has an inductance of 220 h and a resistance of150 omega it carries a current of
at a coal burning power plant a steam turbine is operated with a power output of 483 mw the thermal efficiency of the
in a large centrifuge used for training astronauts and pilots a small chamber is fixed at the end of a rigid arm that
suppose water boils at 277 c when the pressure is 6128kpa and at 329c when the pressure is 12688kpa contrast the
a carnot engine absorbs 465times103 joule from the hot reservoir and expels 312times103 joule to the cold reservoir
a block is connected between two springs on a frictionless horizontally level track the other end of each spring is
if the ionization energy for rubidium is 403 kjmol the electron affinity for iodine is -295 kjmol utilize these values
put the following elements in order of declining atomic radius- chlorine cl lead pb aluminum al and fluorine flevel the
a spring is attached to an overhead beam if you put a mass of 170 gram on it and it proceeds to stretch a distance of 7
a particular radioactive source produces 175 mrad of 1 mev gamma rays per hour at a distance of 10 metera find how long
beginning with the gibbs-helmholtz equation obtain an equation to calculate the variation in equilibrium constants
a uniform drawbridge must be held at a 41 degree angle above the horizontal to allow ships to pass underneath the
part abased on position in the periodic table also electron configuration place these elements in order of decreasing
you measure the length of a distant car to be subtended by an angular distance of 20o if the car is actually 50 meter
if high purity benzoic acid c6h5cooh hrxn -3227 kjmol is a combustion standard for calibrating bomb calorimeters if an
a 100 gram aluminum calorimeter contains 250 gram of water the two metals are in thermal equilibrium at 10degc two
rank the subsequent ions in order of decreasing radius li na k rb and cs utilize the periodic table as necessary rank
two satellites c and d are in different circular orbits about the earth the orbital speed of satellite c is twice that
the earth orbits the sun once a year at a distance of 150 x 1011 meter venus orbits the sun at a distance of 108 x 1011
a windmill has an initial angular momentum of 8220 kgbullm2s the wind picks up and 571 sec later the windmills angular