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the magnetic field in an electromagnetic wave has a peak value given by b 55 microt for this wave find each of the
blocks a mass 200 kg and b mass 1500 kg move on a frictionless horizontal surface initially block b is at rest and
a 160 kg fish swimming at 140 ms suddenly gobbles up a 450 kg fish that is initially stationary neglect any drag
one thousand kilograms per hour of a mixture containing equal parts by mass of benzene and toluene are distilled the
two identical spaceships are traveling in the same direction an observer on earth measures the first to have speed 080c
to prepare a solution of 50 sulfuric acid a dilute waste acid containing 28 h2so4 is fortified with a purchased acid
how many grams of co2 are produced when 1000 grams c4h10 are burned in an excess of oxygen as follows2c4h10 13o2 8co2
a circular coil having 19 turns and a radius of r 192cm carries a current of 330a it is placed in a uniform magnetic
calculate the molarity of a 0074 m solution of ethyl alcohol in water at 25 degrees c assume the density of the
a can of jolt cola contains 355ml of soda and weighs 387g use crc handbook find the weight percent sucrose in jolt how
a catcher catches a 145 g baseball traveling horizontally at 360 ms how large an impulse does the ball give to the
1 a sample of a complex salt with ideal composition ninh36no32 was analyzed for nickel by dissolution in slightly
the near point of a naked eye is 25 cm when placed at the near point and viewed by the naked eye a tiny object would
calculate the maximum number of milligrams of h2o that can possibly be extracted from 100g of tetraphenylarsonium
explain why we need myoglobin and hemoglobin and why the mice dont sufficate when they are immersed in a fluorocarbon
how would you prepare a sodium phosphate at ph 7 what species would you use what concentrations remember phosphoric
a typical adult ear has a surface area of about 210 10-3 m2 the sound intensity during a normal conversation is about
a bar of length 2cm slides along metal rails at a speed of 1cms the bar and rails are in a magnetic field of 2t
in trans-12-dibenzoylethylene even though the conjugated co group frequency coincides directly with the expected cc
if the uncertainty in the energy of an excited state is a billionth of an electron volt 1 nev what is the half-life of
the air pollutant no is produced in automobile engines because of the high-temperature reaction below if the initial
the solubility product of calcium fluoride caf2 is 345 x 10-11 at 25 degrees c will a fluoride concentration of 10 mgl
an aqueous solution containing 349g of an unknown molecular nonelectrolyte compound in 1447g of water was found to have
a 220-g bullet embeds itself in a 160-kg block which is attached to a spring of force constant 760 nmpart a if the
a horizontal water main with a cross-sectional area of 186 cm2 necks down to a pipe of area 578 cm2 meters mounted in