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two parallel slits are illuminated by light composed of two wavelengths one of which is 654 nm on a viewing screen the
a compound microscope has a barrel whose length is 164 cm and an eyepiece whose focal length is 17 cm the viewer has a
a 330g airtrack cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia
a spool whose inner core has a radius of 100 cm and whose end caps have a radius of 150 cm has a string tightly wound
an optometrist prescribes contact lenses that have a focal length of 560 cm where is the unaided near point of the
a block on a level frictionless surface has two horizontal forces applieda what forcef2 would cause the block to move
light is reflected from a transparent coffee table when the angle of incidence is 522deg the reflected light is
a soap bubble n133 is floating in air the thickness of the bubble is 115nm and the bubble is illuminated by white light
a coil has a dc resistance of 100 omega and an impedance of 180 omega at a frequency of 2 khz neglect the wiring
1 a ball is dropped from a hot air balloon that is accelerating upward at 10 ftsec2 what is the acceleration of the
a 165 kg mass is placed on the end of a spring that has a spring constant of 195 nm the mass-spring system rests on a
calculate the amount of heat liberated in kj from 411 g of mercury when it cools from 790degc to
a bowler throws a bowling ball of radius r 11 cm down a lane the ball slides on the lane with initial speed vcom0 105
determine the boiling point of a solution that contains 788 g of naphthalene c10h8 molar mass 12816gmol dissolved in
some european trucks run on energy stored in a rotating flywheel with an electric motor getting the flywheel up to its
a weak acid ha has a pka of 4 in a buffer the ratio a-ha 10-2 what is the ph of the
calculate the freezing point of a solution of 5000 g of ethylene glycol c2h6o2 dissolved in 5000 g of water kf 186
consider a parallel plate capacitor composed of two very large approximate as infinite square plates as shown in figure
apparently my answer of 00840 is incorrect according to my instructor who took a look at my response and told me i had
two samples of calcium fluoride are decomposed into their constituent elements the first sample produced g of calcium
the pka of epinephrine is 855 in a solution of what ph will epinephrine have a charge and what will the charge
isoprene is at the basis of a large class of biologically-relevant lipids known as terpenoids or isoprenoids isoprene
you have two flasks of equal volume flask a contains h2 at 0 degree celsius and 1 atm pressure flask b contains co2 gas
how much heat energy is required to melt one ice cube in a soft drink to form liquid water 0 c if the ice cube has a
pipets used for the transfer of samples of solutions are always rinsed with a small portion of the solution to be