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a nuclear power plant has a maximum steam temperature of 280degrees c it produces 790mw of electric power in the
at high altitudes water boils at a temperature lower than 1000deg c due to the lower air pressure a rule of thumb
when a 584 nm radiation is directed on a sample of krypton electrons are ejected with a velocity of 159x106 ms what is
an electron traveling 107 ms to the right enters a constant electric field that slows it to rest awhat is the potential
a major league pitcher of mass 100kg is standing on a skateboard of mass 200kg holding a baseball the skateboard is
when a particular inductor is connected to a sinusoidal voltage with a 245 v amplitude a peak current of 79 a appears
a 512-turn circular-loop coil with a diam- eter of 174 cm is initially aligned so that its plane is perpendicular to
how many moles of benzoic acid did you use in this reaction how many moles of methanol did you use why was this
a sprinter of mass 714 kg runs at a constant speed of 111 ms in a straight line find the extra force the sprinter must
the r factor for housing insulation gives the thermal resistance in units of ft2 degf hbtu a good wall for harsh
a small package rests on the horizontal dashboard of a car if s 0340 what is the minimum acceleration of the car that
you are holding a bulletin board weighing 868 n in place against a wall while your friend secures it to the wall to
an unknown chromium solution was mixed with aliquots of a standard solution of chromium for atomic absorption
mn was used as an internal standard for measuring fe by atomic absorption spectroscopy a standard mixture containing
1 in a common protein analysis a dye binds to the protein and the color of the dye changes from brown to blue the
the two stars in a binary star system have masses 22times1030 and 65times1030 they are separated by 21times1012 what
a hypothetical large slingshot is stretched 12 m to launch a 170 g projectile with speed sufficient to escape from
each of the three helicopter rotor blades shown in the figure is 520 m long and has a mass of 286 kg the rotor is
a 103 kg fullback runs at the line of scrimmage a constant force of 3399 n must be exerted on him to bring him to rest
an aluminum block slides along a horizontal surface the block has an initial speed of 110 ms and an initial temperature
a nacl solution contains 200 nacl by mass and has a density of 115 gml the molarity of the solution is hint assume 1000
a 125-kg crate slides along a horizontal frictionless surface at a constant speed of 40 ms the crate then slides down a
an organic compound was synthesized amp a sample of it was analyzed amp found to contain only c h n o amp cl it was
two metal plates are held together by two steel rivets each of diameter 024 cm and length 13 cm how much force must be
a river 1080 m wide flows toward the south at 356 mmin a girl on the west bank wishes to reach the east bank in the