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a river has a steady speed of 0500 ms a student swimsupstream a distance of 100 km and swims back to the startingpoint
a sample of gold of volume 20010-5 m3 is available to make a wire if the length of the wire is to be 500 cm and all the
at liftoff the space shuttle uses a solid mixture of ammonium perchlorate and aluminum powder to obtain great thrust
a gamma-ray telescope intercepts a pulse of gamma radiation froma magnetar a type of star with a spectacularly
at the instant the traffic light turns green a car that hasbeen waiting at an intersection starts ahead with a
an antelope moving with constant acceleration covers thedistance 750 m between two points in time 600 s its speed as it
what volume of a 0395 m sodium hydroxide solution is required to neutralize 276 ml of a 0276 m hydroiodic acid solution
one kilowattmiddothour kwmiddoth is the amount of work orenergy generated when one kilowatt of power is supplied for a
two runners start simultaneously from the same point on acircular track of length 205 m and run in the same direction
when using 65 ethanol in a trial of thin layer chromatography the rf values were virtually identical for methylene blue
the magnetic field produced by the solenoid in a mri system has a field strength of 863t and the current in the
write the correct net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and
a bullet of mass 40 g travels at 1000mseca what wave length can we associate with itb why does the wave natureof th e
an aqueous solution of sodium hydroxide is standardized by titration with a 0266 m solution of hydrobromic acid if 174
a 0726-kg rope 200 meters long lies on a flooryou grasp one end of the rope ane begin lifting upward with a constant
in the laboratory you dissolve 153 g of copperii iodide in a volumetric flask and add water to a total volume of 500
a grocery cart with mass of 18 kg is pushed at constant speedalong an aisle by force f12 n the applied force acts as a
mode of inhibition the kinetics of an enzyme are measured as a function of substrate concentration in the presence and
a car with a total mass of 165103 kg has wheels ofradius 350 cm and moment ofinertia 0760 kg middotm2 suppose that the
in an atom smasher 2 particles collide head on atrelativistic speeds if the velocity of the 1st particle is0741c to the
a particle in a 702m-long particle accelerator is moving at0875c how long does the particle accelerator appear to the
in a youngs double-slit experiment the seventh dark fringe islocated 0033 m to the side of the central bright fringe on
what is the molarity of the solution resulting from the dissolution of 209 g glucose c6h12o6 in 250 ml water116 m377e4
a bullet of m380g moving at 514ms impacts a large fixedblock of wood and traveles 0610m before comming to rest assume
a uniform rod rotates in a horizontal plane about a vertical axis through one end the rod is 600m longweighs 110n and