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in each cycle of its operation a refrigerator removes 17j of heat from the inside of the refrigerator and releases 40j
a pair of slits separated by 0150 mm is illuminated by light having a wavelength of 631 nm an interference pattern is
a compound had a molar absorptivity of 303 x 103 l cm-1 mol-1 what concentration of the compound would be required to
a engineer designs a heat engine using flat-plate solar collectors the collectors deliver aeat at 70 degrees c and the
construct a diagram log concentrations versus ph which shows the speciation when strontiumcarbonate is dissolved at a
the position of a particle is given by the expression x4cos3ptp where x is in meters and t is in seconds determinea the
1 identify the major factor affecting reaction rate that accounts for the following observationsa rubber tires
a pump used to move water through a tube uses a piston 15 cm in diameter which moves 20 cms what is the fluid velocity
what is the minimum area in square meters of the top surface an ice slab 0251 m thick floating on fresh water that will
when you are calculating absorbance and you have abstime are there units in the final answer or would there be no units
depending on temperature rbcl can exist in either the rock-salt or cscl structure type give the cation and anion
bioinformatic assignment this is a code in ruby language this code is to do a global alignment and needs to be in
a particle is moving with a certain speed its speed and momentum are being measured with respect to earth when the
a geothermal system is initially more expensive to set up than a conventional heating and cooling systembut the annual
a piano string is under a tension of t 778n when struck the wave has a period of t 06ms and a wavelength of 077m what
a guitar string is under a tension of t 198n the string has a mass of m 99g and length l when the string is plucked
when an ambulance is stationary the siren gives off a sound at a frequency of 500 hz in answering the following
how would you prepare 10l of an aqueous solution of sodium chloride having an osmotic pressure of 29atm at 27 degrees
the second-order fringe of 680 nm light is observed at an angle of 16deg when the light falls on two narrow slits how
a glass window 035 cm thick measures 81 cm by 36 cm how much heat flows through this window per minute if the inside
betaan observer that is standing 12m from a stereo sound speaker perceives the sound level from the speaker to be 60
compute the packing efficiency for an fcc lattice keeping in mind that the close-packing direction is along the body
a 080-m-long organ pipe that is open at both ends resonates in the fundamental when a tuning fork of unknown frequency
to fill a childs inflatable wading pool you use a garden hose with a diameter of 29 cm water flows from this hose with
a mortar crew is positioned near the top of a steep hill enemy forces are charging up the hill and it is necessary for