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a positive charge of q1 is located 535 m to the left of a negative charge -q2 the charges have different magnitudes on
a cart with mass 200gmoving on a frictionless linear air track at an initial speed of 11msundergoes an elastic
when active metals such as sodium are exposed to air they quickly form a coating of metal oxide the balanced equation
consider nh3 vapor acting as a van der waals gas with coefficients a 4169 atm-l2-mol-2 and b 00371 l-mol-1 how much
suggest chemical reactions that could be used to identify the contents of four unlabeled bottles containing solutions
a single square loop of wire 218 cm on a side is placed with its face parallel to the magnetic field between the pole
how many liters of the antifreeze ethylene glycol would you add to a car radiator containing 650 l of water if the
a resistor r 900 a capacitor c 025 microf and an inductor l 40 h are connected in series across a 240 hz ac source
a sort of projectile launcher is shown in fig 20-65 a large current moves in a closed loop composed of fixed rails a
1 the speed of light in vacuum is186000 mis 300 times 108 ms use this fact to find the number of kilometers in a
a 20 resistor is connected across a 60 v power supply an ammeter with internal resistance of 10 is used to measure
a bottle of concentrated sulfuric acid is labeled as 96 wt mm h2so4 the solution has a concentration of 180 ma what is
a bullet mass 71 grams is fired from a gun with a muzzle velocity of 1078 mph it embeds itself 773 cm in a wood post
the crankshaft in a race car goes from rest to 3600rpm in 32s how many revolutions does it make while reaching
if 0500 l of aqueous solution with a density of 105 gml contains 183 ug micrograms of poison express the concentration
a 44-nf parallel plate capacitor with a sheet of mylar 31 filling the space between the plates is charged to a
if two tiny identical spheres attract each other with a force of 200 when they are 260 apart what is the mass of each
suggest an experimental procedure that could be used to synthesize 12-dimethylcyclopentene from12-dimethylcyclopentanol
a commercial airliner is undergoing its initial ascent while the pilot maintains a cabin environment of t 23 c r 035
a spherical raindrop of mass 000942 g and radius 131 mm falls from a cloud that is at a height of 1115 m above the
at 500k the equilibrium constant kp for the reaction is 424e-10 r08206 what is the value of kc for the reaction cocl2co
the rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides therefore
assume an indicator works best when the equivalence point of a titration comes in the middle of the indicator range
ethyl chloride a substance used as a topical anesthetic is prepared by reaction of ethylene with hydrogen chloride
a step-down transformer turns ratio 18 is used with an electric train to reduce the voltage from the wall receptacle