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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
the average nascar car weights 3400lbs at a recent nascar racethe cars went flying around the banked curces at
a straight 171 m long copper rod is moved perpendicularlyacross a uniform 090 t magnetic field if a constant
a coffee-cup calorimeter containing 100 of is used the initial temperature of the calorimeter is 230 if 570 of is added
an electronics tech might work on an appliance while it is pluggedin but she will take care that her resistance is
a 0316-m-thick sheet of ice covers a lake the airtemperature at the ice surface is -175 degc in 310 minutesthe ice
an oscillating lc circuit consisting of a 20 nfcapacitor and a 38 mh coil has a maximum volatage of 60vwhat is the
consider a mixture of air and gasoline vapor in a cylinder with a piston the original volume is 50 cm3 if the