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in a pool game the cue ball which has an initial speed of50ms make an elastic collision with the eight ball which is
an electric car accelerates for 80 s by drawing energy from its300-v battery pack during this time1190 c of charge
a cat walks 80 m north 50 m east and then 60 m south what is the magnitude of the cats displacement from the starting
you have a solid a with an impurity b and you would like to purify a your initial mixture is 80 a and 20 b where a and
use the work-energy theorem to solve each of these problems youcan use newtons laws to check your answers neglect air
a uniform solid metal disk of mass 610 and diameter 290 hangs in a horizontal plane supported at its center by a
a light bulb is wired in series with a 134-omega resistor and they are connected across a120-v source the power
when connected to a 10 volt battery a capacitor stores 5 10-4 j of energy how much energy would this capacitor store
if a mass is hung from a spring whose spring constant is 2 pounds per foot stretches the spring 04 meters ma what is
a 39l sample of o2 gas has a pressure of 12atm a 17l sample of n2 gas has a pressure of 13 atmif these two samples are
three capacitors are connected in series the equivalentcapacitance of this combination is 303microf two of the
a particle is uncharged and is thrown vertically upward from ground level with a speed of 250 ms as a result it attains
1 what geometric constraints are the amide n-h groups of ser 195 and gly 193 subject to in trypsin chymotrypsin
if 450 ml of silver nitrate solution reacts with excess potassium chloride solution to yield 0595 g of precipitate what
two students on roller skates stand face-to-face then push each other away one student has a mass of 99 kg and the
write a balanced net ionic equation for the reaction of na2saq and znso4aq also please include physical states and
an insulating sphere of radius r010 m has a uniform surface charge density equal to 59 mcm2 a point charge ofmagnitude
write a balanced net ionic equation for the precipitation of cacl2 and cs3po4 in an aqueous solution and include
in a single slit experiment the distance between two dark fringes of the second order is 10 cm on a screen which is 15
how many moles and number of ions of each type are present in the following aqueous solution 471 ml of 021g aluminum
a projectile is fired at an angle of 550 degrees above the horizontal with the initial speed of 350 ms what is the
a moving particle encounters an external electric field that decreases its kinetic energy from 8920 evto 7400 ev as the
two satellites are in circular orbits around a planet that has radius one satellite has mass 880 orbital radius