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a typical nuclear reactor generates 1000 mw1000mjs ofelectrical energy in doing so it produces 2000 mw ofwaste heat
a mineral of a certain metal is a binary compound with sulfur analysis shows that a 1815 g sample of the mineral
a refrigerator does 1350 j of work to remove 5400 j of heat from its cold compartement what is the refrigerators
a metal oxide with the formula mo2 contains 2123 oxygen by mass type the symbol for the element represented by m in the
in the hall-heroult process anhydrous aluminum oxide is reduced to aluminum according to the chemical equation2 al2o3 s
a heat engine absorbs 470 kj and exhausts 360 kj of heat each cycle calculate its efficiency what is the work done per
a sky-diver jumps out of a plane and achives terminal velocity before opening his parachuteexplain what is meant by the
whats the reaction between acetanilide and water i want to include this in my lab report regarding purification of
find the absolute uncertainty of the following calculation and round the answer to the proper number of significant
a 7800 kg boxcar traveling at 180 ms strikes a second boxcar at rest the two stick together and move off with a speed
a uniform steel beam has a mass of 490 kg on it is resting half of an identical beam what is the vertical support force
two forces act on a 55 kg object one force has magnitude 65 n direction 59 degree clockwise from the positive x-axis
four point charges have the same magnitude of 26 x10-12 c and are fixed to the corners of a squarethat is 60 cm on a
a heavy piece of hanging sculpture is suspended by a90-cm-long 50 g steel wire when the wind blows hard the wire hums
an electric dipole consisting of charges of magnitude 340 ncseparated by 880 mum is in an electric field of strength
an electron is initially moving in the z directionstarting at z 0 with speed v 254105 ms in the regionbetween z 150
the earth has a net electric charge that causes a field at points near its surface equal to 150nc and directed in
a 78 kg refrigerator has rubber feet the coefficient of staticfriction between a floor and the feet has is 11 while
a satellite moves around the earth in a circular orbit of radiusr use g for the universal gravitation constantm for the
a rock of mass 019 kg falls from restfrom a height of 12 m into a pail containing 030 kg of water therock and water
the electric potential energy stored in the capacitor of a defibrillator is 37j and the capacitance is 120mufnbsp what
a quarterback claims that he can throw the football a horizontal distance of 183 m 200 ydnbsp furthermore he claims he
two small beads having positive charges 3q and q are fixed at the opposite ends of a horizontal insulating rod
two infinite positively charged plates with a uniform chargedensity of 680 mcm2 are placedparallel to the yz-plane with
the time constant of an rc circuit is 26s how much time t is required for the capacitor uncharged initially to gain