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a horizontal spring with a 2 kg mass attached and a springconstant k300 nm is compressed 10 cm from its equilibrium
water flows over a section of niagara falls at the rate of129 x10e6 kgs and falls 54m how much power is generated bythe
a sports car picking up speed passes between two markers ina time of 41 seconds the markers are separated by 120 meters
a person takes a trip driving with a constant speed of895kmh except for a 22 min rest stop if the persons averagespeed
the gauge pressure in each of the four tires of an automobile is240 kpa if each tire has a foot-print of 200 cm2
a bottle has a mass of 3500 g when empty and 9844 g when filled with water when filled with another fluid the mass is
a 76 kgbicyclist rides his 103 kg bicyclewith a speed of 153 msa how much work must be done by the brakes tobring the
benzoic acid is much stronger than the weak acid phenol consequently benzoic acid reacts with the weak base bicarbonate
a small car m1 is pushing a larger truck m2 thathas a dead battery the driver steps on the accelerator andpushes the
an elemental analysis of an organic compound showed the following results c375 h125 o500 a 08 g of that compound was
the diet of a 60 kg person provides 12000 kj daily ifthis amount of energy were added to 60 kg of water by how much
which of these names and formulae do not match correctly 1 n2o4 dinitrogen tetroxide 2 mgf2 magnesium uoride 3 hgcl
a coil of 35 resistor and inductance 205h is in series with acapacitor and a 200vrms 100hz source the rms current in
in attempting to jump start a car of mass 1100kg two brotherseach push with an equal force of magnitude 670n parallel
explain why multiple extractions with smaller volumes of the extraction solvent are typically better than single
one mole of ideal gas at 25 degrees is trapped in a cylinder by a piston at 500 bar pressure the piston is released
the image produced by a concave mirror is located 37 cm infront of the mirror the focal length of the mirror is 14 cm
a 0075-kg arrow is fiered horizontally the bowstring exertsan arerage force of 65 n on the arrow over a distance of
a 65 x 104-kg space probe is traveling at a speed of 14000 msthrough deep space retrorockets are fired along the line
one mole of caco3 solid is place in an evacuated cylinder that is fitted with a frictionless piston it is heated to 800
a flying squid family ommastrephidae is able to jump off thesurface of the sea by taking water into its body cavity and
what is the purpose of tracking dye in sds-page what are the constituents of sample buffer describe functions of each
the inductance of a closely wound coil is such that an emf of30 mv is induced when the current changes at the rate of46
the following properties were measured for an unknown hydrocarbon in a lab with an ambient temperature of 28 degrees
for the following processes calculate the change in internal energy of the system and determine whether the process is