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a 3690-linecm grating produces a third-order fringe at 214deg angle what wavelength of light is being
if you observe light reflected from saturns rings youshould see a redshift at one edge of the rings and a blueshift
an car mass 1000kg is traveling east30ms it is hit by another car 2000kg whick was travelingnorthwest at 20msthe two
a steel cable is to support an elevator whose total loadedmass is not to exceed 3100kg if the maximum acceleration of
a power of 1 horesepower is equivalent to 746 w what is the power output in horsepower of an electric motor that draws
a rotating bicycle wheel has an angular speed of 3 rads at t 0 it is also given an angular acceleration of 15rads2a
an car mass 1000kg is traveling east 30ms it is hitby another car 2000kg whick was traveling northwest at20msthe two
a juniper-wood plank measuring 025 ft by 1ft by 16 ft istotally submerged in watera what is its weightb what is the
a storage tank 30 m high is filled with gasolinea find the gauge pressure at the bottom of the tankb calculate the
a light rigid rod 100 in lngth rotates about an axisperpendicular to its length and through its center twoparticles of
two musics students are tuning their guitars before arehearsal if one middle c 262hz and the other plays a c sharp277hz
a 13 kg block is at rest on a level floor a 400g globof putty is thrown at the block so that the putty
gycine c2h5o2n is important for biological energy the combustion of glycine is given by the equation 4c2h5o2n s 9o2 g
an object undergoing simple harmonic motion takes 019 s to travel from one point of zero velocityto the next such point
a plastic cup is heated past its melting pointthen remolded and cooled based on thisinformation we can say this
a person sitting in a stationary boat notices the waterwaves passing by the bow of the ship once every 4 seconds
a dedicated sports car enthusiast polishes the inside andoutside surfaces of a hubcap that is a section of a sphere
a contact lens is made of plastic with an index of refractionof 160 the lens has a focal length of 230 cm and its
a resting adult of average size converts chemical energy infood into internal energy at the rate of 120 w called
if you put 1kg of glass in contact with an equal mass of water andits temperature drops 5 degrees by how much will the
a common experiment to determine the relative reactivity of metallic elements is to place a pure sample of one metal
at the intersection of texas avenue and university drive ayellow subcompact car with mass 950 kg traveling easton
if 412g of nh42so4 all numbers are subscripts is dissolved in enough water to form 220ml of solution what is the
auto companies frequently test the safety of automobiles byputting them through crash tests to observe rge integrity of
the heat capacity of a particular piece of metal is 987 joulesgram-celsius when dropped in 100 ml of water the