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a string 60 cm longfastened at each end when driven by an oscillator at frequency of120 hz l60m ym02m f120hz
a rock is suspended by a light string when the rock is in air the tension in the string is 391 n when the rock is
a soccer ball with mass 0446 kg is initially moving with speed 140 ms a soccer player kicks the ball exerting a
suppose that in sleepy valley only 35 of those over 50 years old own cd players find the probability that among three
a dockworker applies a constant horizontal force of 850 n to a block of ice on a smooth horizontal floor the frictional
boiling water at high pressure when water is boiled under a pressure of 200 atm the heat of vaporization is 220 106 jkg
1 the pulmonary artery which connects the heart to the lungs has a radius of 26 mm and is 84 cm long if the
a 2493-kg car is moving down a road with a slope grade of 14 at a constant speed of 13 ms what is the direction and
a total of 200 molof a compound is allowed to react with water in a foam coffee cup and the reaction produces 106g of
a metal ring having an outside radius of 380 cm and an inside radius of 305 cm has a mass of 150 kg the ring falls off
what product is formed when 5-chloro-1-methylcyclohexene is reduced with a pt catalyst and h2 a
an electron is in a certain energy state in a one-dimensional infinite potential well from x 0 to x l 175 pm the
sherman is a 65-year-old sedentary male with heart failure he weighs 200 lb and is 5rsquo8rdquo tall he is referred to
a long solenoid has 1400 turns per meter of length and it carries a current of 22 a a small circular coil of wire is
determine the oxidation state for the following element in the compounds indicatedsulfur in h2so4nitrogen in
a 16-kg book is at rest on a wooden board inclined at 12 degreesa identify each of the forces acting on the book and
vitamin c is essential for prevention of scurvy and large doses may be effective in preventing colds combustion of a
the triangular coil of wire in the drawing is free to rotate about an axis that is attached along side ac the current
a fuel pump sends gasoline from a cars fuel tank to the engine at a rate of 549 10-2 kgs the density of the gasoline
a fire hose 10 cm in diameter delivers water at the rate of 16 kgs the hose terminates in a nozzle 34 cm in diametera
ice of mass 455 g at -109deg c is added to 212 g of water at 158deg c in a 101 g glass container of specific heat 0200
at 25c the heat of fusion of aluminum is 106kjmol and the heat of sublimation is 3264 kjmol what is the heat of
11025g of dried carrots were extracted in hno3 the extract was filtered and placed in a 5000ml volumetric flask which
a long solenoid cross-sectional area 085 x 10-6 m2 number of turns per unit length 1878 turnsm is bent into a
a hammer is hung from a small hole in its handle swung slowly to an angle of theta max 01 radians and then released