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an unknown metal alloy is being tested to discover its thermal properties to see if it is suitable for use as a
the glass core of an optical fiber has an index of refraction 160the index of refraction of the cladding is 148 what is
two conductors are made of the same material and have the same length l conductor a is a hollow tube and inside
a 1000kg car is traveling at 9ms strikes a stationary 2000kg truck they interlock as a result of the collision and move
a mixture of methane and air is capable of being ignited only if the mole percent of methane is between 5 and 15 a
a 048 kg piece of wood floats in water but is found to sinkin alcohol specific gravity 079 in which it has an
a uniform electric field of magnitude 324 nc is directed along the y-axis a 590 microc charge moves from the origin to
the equilibrium constant keq of the hydrolysis of glucose-1-phosphate at standard conditions is 425 103 the reaction
a point source of light is submerged 22 m below the surfaceof a lake and emits rays in all directions on the surface of
the standard enthalpy change in the combustion of the hydrocarbon octane is delta h-548103kjmol c8h18 how much heat in
an object initially displaced 7525 m along the horizontal x direction has in initial velocity downward along the -y
a geologist finds that a moon rock whose mass is 820 kg hasan apparent mass of 618 kg when submerged in water what is
an arrow is shot horizontally from a height of 49 metersabove the ground the initial speed of the arrow is
an element x forms an iodide xi3 and a chloride xci3 the iodide is quantitatively converted to the chloride when it is
the rms speed of the molecules in 19 g of hydrogen gas is 1800 msa what is the total translational kinetic energy of
you need to fit a copper collar tightly around a steel shaft that a has a diameter of 5600 cm at 20degc the inside
draw all possible stereoisomers for each of the following compounds if no stereoisomers are possible only draw one
a uniform crate with a mass of 25 kg rests on a floor with acoefficient of static friction equal to 056 the crate is
if 120 grams of sodium metal are reacted with 400 ml of water how many grams of naoh will be produced the density of
clarice is standing at the edge of a steep cliff when a boulder comes loose from the edge and falls directly downward
if you titrate a 2500 ml sample of h2so4 with your standardized base and 1894 ml of base is required for complete
a person ofmass 75 kg stands at the center of a rotating merry-go-roundplatform of radius 28 m and moment of inertia
a hollow cylinder hoop is rolling on ahorizontal surface at speed v 48 ms when it reaches a12deg inclinea how far up
specify those structural characteristics of a phase transfer catalyst that allow it to be soluble in both organic and
at age 40 a man requires contact lenses f650 cm to read abook held 250 cm from his eyes at age 45 he finds thatwhile