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in a reversible adiabatic expansion of an ideal gas the pressure and volume are related pvgama constant by show that
when at rest two trains have sirens that emit a frequency of 300hz the trains travel toward one another and toward an
a long straight thin round conductor carries a linearcharge density lambda7 mucm what is the electric field in the
a molecule has a rotational inertis of 14000 upm2 and isspinning at an angular speed of 43 x 1012 radsa express the
a two-stage rocket accelerates from rest at 327 ms2 for 682seconds it then accelerates at 298 ms2 for another
a room measures 30 m by 45 m by 60 m if the heating and air-conditioning ducts to and from the room are circular with
a system consists of two positive point charges q1 and q2gtq1 the total charge of the system is 620 muc and each charge
long straight wire a long straight wire has fixed negative charge with a linear charge density of -31 ncm the wire is
what coefficients are needed to balance the equation for the complete combustion of methane enter the coefficients in
nitric acid is usually purchased in a concentrated form that is 703 hno3 by mass and has a density of 141 gmlhow much
a toaster uses a heating wire when the toaster is turned on at 13degc the initial current is 213 a a few seconds later
find the distancein mum between the plates of a parallel plate capacitor if in the dielectriccompletely filling that
suppose the mass spectrum of a hypothetical monatomic element x contains a signal at mass number 13 and another of
how many ml of 125m agno3 and ml of 839m nacl are needed to react and produce 1000 gram of solid
you dip your finger into a pan of water twice each secondproducing waves with crest that are separated by 011 m1
what characterizes constant velocity motion on a position-time graph on a velocity-time graph and on a
a cannon ball was fired at a wall that was 300 m away the ball was fired from an incline of 40 degrees what timewill it
write a chemical equation for the acid-base reaction hat occurs when p-phentidine is dissolved in hcl why is hcl used
a gaseous sample containing a mixture of only ethane and methylene fluoride occupies a volume of 155l at 22degcthe
a proton with a speed of 7500e5 ms orbits justoutside a uniformly charged sphere of radius 750 cm what is the charge on
a proton is located at the origin and a second proton is locatedon the x-axis at x 512 fm 1 fm 10-15 ma calculate the
draw all of the possible constitutional and geometric isomers for monobromination of ethylcyclohexane label each isomer
one ounce of a breakfast cereal has 110 calories 1 foodcalorie4186j if 2 of this energy could be converted by aweight
three colorless solutions in test tubes with no labels are in a test tube rack on the laboratory bench lying beside the
the 148cm3 volume betweenthe plates of a 111 pf parallel-plate capacitor is filled with adielectric the area of each