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a crate of mass 2000 kg is hanging from a crane at the end of a cable 12 m long if we attach a horizontal rope to this
assume you dissolve 0235 g of the weak acid benzoic acid c6h5co2h in enough water to make 100 ml of solution and then
an inductor of 493 mh with a resistance o44 ohms is connected to a power supply with a maximum voltage of 264v and a
why does mgco3 dissolve in water and not in alcohol why does baking soad dissolve in water why does baking soda
consider 250 l of a buffer solution made from naoh and 350 m h3po4 at ph 216 that has a total concentration of
a grade school student plans to build a 31-power telescope as a science fair project she starts with a magnifying glass
the tube length of a microscope is defined to be the difference between the objective image distance and objective
a machine is designed to perform a given amount of work in a given amount of time a second machine does twice the same
carbon monoxide binds strongly to the fe2ion of the heme group of protein myoglobin suppose you have at your disposal
what is the resistance of an immersion - type heating coil if it is to generate 15 kv of heat per minute when it is
if the fluid inside a tree is about 01 m more concentrated in solute than the groundwater that bathes the roots how
one solenoid is centered inside another the outer one has a length of 530cm and contains 6600 coils while the coaxial
two forces f1 and f2 act at a point f1 has a magnitude of 920n and is directed at an angle of 610 degrees above the
the left end of a long glass rod 700cm in diameter has a convex hemispherical surface 350cm in radius the refractive
how much silver was there in the solution if all the silver was removed as ag metal by electrolysis for 032 hour with a
an ac generator is to have a maximum output of 346 v each coil has an area of 0149 m2 and a resistance of 166 u03a9 and
how long must a current of 075 a pass through a sulfuric acid solution in order to liberate 0100 l of h2 gas at
a 126 v battery is in series with a resistance of 0377 and an inductora after a long time what is the current in the
decide whether or not a reaction will occur when a solution of cadmiumii chloride is treated with nitric acid hno3aq
what is the molarity of a hydrochloric acid solution if 400 ml of hcl is required to neutralize 243g of calcium
a parallel-plate vacuum capacitor with plate area a and separation x has charges q and -q on its plates the capacitor
a 126 v battery is in a circuit with a 300 mh inductor and a 0150 resistor as in active figure 2027 the switch is
what are the commonalitiesgeneral conceptstheme of metabolism please give as many as you can and specifics for example
a 20-nf parallel plate capacitor with a sheet of mylar k 31 filling the space between the plates is connected to a 90
electrolysis of molten nacl is done in a downs cell operating at 70 volts v and 40 x 104 a how much nas and cl2g can be