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one useful method for recycling scrap aluminum converts some of it to common alum potassium aluminum sulfate
two tiny conducting spheres are identical and carry charges of -207 muc and 517 muc they are separated by a distance of
if you add 700 kj of heat to 700 g of water at 70 degrees c how much water is left in the container the latent heat of
the filament of a certain lamp has a resistance that increases linearly with temperature when a constant voltage is
a hoodlum throws a stone vertically downward with an initial speedof 113 ms from the roof of abuilding 280 m above
what is the weight of sea water displaced by a boat weighing 120kn d1300 kgm3 what is the volume of the sea water
a spaceship has a length of 300m measured in its own reference frame it is traveling in the positive x direction at a
a 50m long ladder leans agaisnt a wall touching it at a point 38 above the ground the ladder is uniform with a mass of
a mass m20 is connected to a massless spring of force constant k1100nm this spring is connected at point p to a second
a 2354 kg block is on a horizontal surface with k 0170 and is in contact with a lightweight spring with a spring
a 50 microf capacitoris connected in series with a 100 microf capacitor this combination isthen connected in parallel
io a satellite of jupiter has an orbital period of 177 days and an orbital radius of 422 105 km from these data
when the current through an inductor increases from 8 a to 10 a the energy stored in it increased by 44 microj what is
the drawings show three charges that have the same magnitude butdifferent signs in all cases the distance d between
calculate the fraction of asp that has a side chain protonated at ph 70 aspartic acid side chain pka
in a simple series circuit a battery is connected through an ammeter to an electriclamp a voltmeter is connected
a wire of thickness d 19 mm is tightly wound in a single layer 200 times around a cylindrical core to form a solenoid
a particular gaseous hydrocarbon that is 827 c and 173 h by mass has a density of 236 gl at 21 degress c and 749mmhg
a 6 microf capacitor carries a charge of 20 microc if it is connected in a loop with a 5 resistor what is the energy
draw the structures of all monofluoro derivatives of methylcyclopentane c6h11f which have the fluorine on a tertiary
a 006-kg mass vibrates according to the equation x045cos640t where x is in meter and t is in seconds determinea the
a mixture of ethanol and 1-propananol behaves ideally at 36c and is in equillibrium with its vapor if the mole fraction
a satellite 589 km above the earths surface transmits sinusoidal electromagnetic waves of frequency 946 mhz uniformly
two positive point charges are a fixed distance apart the sume of their charges is qt what charge must each have in
an electron moves through a uniform electric field e 250 i 500 j vm and a uniform magnetic field b 0400 k t