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a car is designed to get its energy from a rotating flywheel solid disk with a radius of 100 m and a mass of 475 kg
hydrazoic acid has a chemical formula of hn3 it is a volatile and toxic acid with a ka value of 25 x 10-5although it
a student sits on a rotating stool holding two 29-kg objects when his arms are extended horizontally the objects are 10
suppose at some temperature kc 620 x 108 for the reaction 2nog 2h2g lt--gt n2 g 2h2og 500 m nog and 500 m h2 g are
two stretched cables both experience the same stress the first cable has a radius of 36x10-3 m and is subject to a
a 2083 g sample of a mixture containing sodium carbonate and sodium bromide was placed in a 2500ml volumetric flask and
please use the information given regarding molybdic acid molybdic acid is diprotic acid with the formula h2moo4 the
a buffer is prepared by mixing 204ml of 452m hcl and 500l of 400m sodium acetat a what is the ph b how many grams of
a stream moving with a speed of 08 ms reaches a point where the cross-sectional area of the stream decreases to
an l-c circuit containing an 800-mh inductor and a 155-nf capacitor oscillates with a maximum current of 0750a1
if one solution has an h3o concentration that is 10 times that of another solution what is the difference of their ph
a 150 103-kg car starts from rest and accelerates uniformly to 158 ms in 130 s assume that air resistance remains
what is the ph after 1250 ml of 010 m naoh has been added to 2500 ml of 010 m acetic
an inductor with an inductance of 270h and a resistance of 720phi is connected to the terminals of a battery with an
for a glass lens submerged in water n133 the critical angle of incidence at which total internal reflection begins to
if a 10000 g sucrose solution has a boiling point of 1015 celsius degrees how many moles of sucrose are in the solution
a satellite of mass 190 kg is launched from a site on the equator into a circular orbit at 4000 km above earths surface
if you thought you had discovered a new element how could you get the scientific world to accept your discovery what
a skier of mass 64 kg is pulled up a slope by a motor-driven cablea how much work is required to pull him 55 m up a
one way to remove lead ion from water is to add a source of iodide ion so that lead iodide will precipitate out of
for the best system calculate the ratio of the masses of the buffer components required to make the buffer ph910
you are operating a water pump at the base of a 18 m building the water at the base is 38 atm and moving at 06 meters
you push your physics book 170rm m along a horizontal tabletop with a horizontal push of 280rm n while the opposing
given this data for oxygen o2 sketch its phase diagram label solid liquid gas normal boiling point normal melting point