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starting from rest a basketball rolls from the top of a hill to the bottom reaching a translational speed of 66 ms
a mixture of the compounds magnesium bromide and potassium chloride contains 487 g of magnesium bromide and is 705 by
the new comet alex-casey has a very elliptical orbit with a period of 1274y if the cloest approach of alex-casey to the
compare the staggered conformers of 111-trifluorobutane c2-c3 why is one of the staggered conformers most stable why is
a 8422 g mixture of the compounds sodium bromide and sodium oxide contains 2464 g of sodium the compound sodium bromide
a cannon is fired horizontally from atop a400 m tower the cannonball travels 145 m horizontallybefore it strikes the
a beam contains 81x106 doubly charged positive ionsper cubic centimeter all of which are moving north with a speed of
a juggler throws a ball with an initial horizontal velocityof 11 ms and an initial vertical velocity of 57 ms what is
as a system increases in volume it absorbs 525 j of energy in the form of heat from the surroundings the piston is
draw a graph that explains the distribution of the kinetic energies of gas particles when the gas is at two different
a cannon mounted on a pirate ship fires a cannonball at125 ms horizontally at a height of 175 m above theocean surface
a compact disk player has just been turned off a disk decelerates uniformly from an initial angular velocity of 895
a 100l container has a 100g of ammonia gas and 500g of nitrogen gas at 500 degrees celcuis calculate the total pressure
a gold prospector finds a solid rock that is composed solely ofquartz and gold the mass and volume of the rock are
a human being can be electrocuted if a current as small as 51 ma passes near the heart an electrician working with
an electrodialysis is used to treat a stream of 125 m3d produced water with a salinity of 13000 mgl nacl before the
a 120 v potential difference is applied to a space heater whose resistance is 16 omega when hot a at what rate is
ethylene c2h4 produces a large amount of heat when combined with pure oxygenassuming no other competing reactions and
a 9150 kg railroad car travels alone on a level frictionless track with a constatnt speed of 150ms a 4350 kg load
in the figure below a battery of potential difference v 38 v is connected to a resistive strip of resistance r 80
how many milliliters of 100 m koh should be added to 100ml of solution containing 100 g of histidine hydrochloride fm
a rock of mass 43 kgaccidentally breaks loose from the edge of a cliff and fallsstraight down the magnitude of the air
an object oscillates from a massless vertical spring with a frequency of 400hz hanging at rest from this spring how
a person accidentally swallows a drop of liquid oxygen o2l which has a density of 1149 gml assuming the drop has a
a beam contains 81x106 doubly charged positive ionsper cubic centimeter all of which are moving north with a speed