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a coin is located 180 cm to the left of aconverging lens f 160 cm a second identical lens isplaced to the right of the
1 how many milliliters of water should be added to 200 ml of a 1125 wv solution to make a solution such that 50ml
over several cycles a refrigerator does 151x104 j of work on therefrigerant the refrigerant in turn removes 755x104 j
an airplane is traveling at 300 ms making a circular turn withradius of 600 m at what angle are the planes wings from
complete the following reactions drawing structural formulas write the name of the compounds under thema cycloheptene
a wheel of diameter of 680 cm slows down uniformly from 840 msto rest over a distance of 115 m what is the total number
which is the more correct statement the methane molecule ch4 is a tetrahedral molecule because it is sp3 hybridized or
a centigrad and fahrenheit are both immersed in a fluid and the numerical value recorded on both thermometers is same
an electron is in a certain energy state in a one-dimensionalinfinite potential well from x 0 to x l 250 pm the
a railroad flat car carrying a trumpet player is rolling toward youat 15ms you are stationary you hear the trumpeter
a 1500 ml solution of kno3 was diluted to 12500 ml 2500 ml of this solution was then diluted to 100l the concentration
the volume of a sample of pure hcl gas was 189 ml at 25 degree c and 108 mmhg it was completely dissolved in about 60ml
a spherical navigation buoy is tethered to the lake floor by avertical cable the outside diameter of the buoy is100m
complete the following reactions drawing structural formulas write the name of the compounds under thema
a 50 kg block is released from rest and then slides for a distanceof 20 meters down a ramp that is inclined 45 degrees
the percent by mass of bicarbonate hco3- in a certain alka-seltzer product is 325 calculate the volume of co2 generated
in a certain radio wave the shortest distance between positions where the electric and magnetic fields are zero is 018
the team monitoring a space probe exploring the outer solar systemfinds that radio trasmissions from the probe take 291
the rate constant k for a reaction was measured as a function of temperature a plot of ln k versus 1t in k is linear
a football is kicked off the top of a 10 meter high building at anangle of 37 degrees above the horizontal with a speed
two slits are 0156 mm apart amixture of red light wavelength 665 nm and yellow-greenlight wavelength 565 nm falls on
the rate constant of a reaction at 28degc is 0064 s if the frequency factor is 19 1013 s what is the activation
a train starts from rest and increases its velocity with constantacceleration over a distance of 1 km at which point
the equipotential surfaces associated with an isolated point charge area radially outward from the chargeb vertical
a red race car is traveling side by side a blue race car at aconstant speed of 130kmh at this point the blue car