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the shinkansen the japanese train runs at high speed riding on the shinkansen you notice that the frequency of a
a man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all
when comparing of the number of copper atoms in a penny with the number of people on earth this illustrates thata in a
a string has a linear density of 680 10-3 kgm and is under a tension of 345 n the string is 19 m long is fixed at both
a chemist must dilute 772ml of 684 um aqueous silver ii oxide ago solution until the concentration falls to 500 um
a string is fixed at both ends and is vibrating at 124 hz which is its third harmonic frequency the linear density of
an atomic adsorption method for determination of copper content in fuels yielded a pooled standard deviation of spooled
the position of an electron is given by r 30 t i -40 t2 j 40 k what is vt for the electron what is its distance from
calculate the wavelength of the radiation released when an electron moves from n5 to n2 the answer i got was 152 nm but
two children fighting over a toy pull on the toy in different direction one child pulls to north with a force of 53 n
an extraction specifies than an aqueous solution which contains dissolved organic material be extracted twice with 10ml
the drawing shows a square each side of which has a length of l 025 m two different positive charges q1 and q2 are
a cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3219 cm at 0degc the diameter of
one of the analgesics has a chiral center which compound is it one of the two enantiomers is far more effective at
what problem will ensue if the level of the developing liquid is higher than the applied spot in a tlc
a thermodynamic system is operated at a constant pressure of 2 atm initially the volume of the system is 1m3 500 j of
1suppose that you are going to collect h2 gas produced from the reaction of an acid with a metal such as zinc this
a heat engine is taking in 400 j from a hot reservoir that is at 20 degrees celsius it expels heat to a cold reservoir
a sample of naphthalenewhich should be pure white was found to have a grayish color after the usual purification
a thermodynamic system is operated at a constant pressure of 2 atm initially the volume of the system is 1m3 500j of
a person desires to reach a point that is 540 km from her present location and in a direction that is 41deg north of
describe what happens in terms of the electron wave functions when you bring together a bunch of copper atoms to form a
a 54 kg woman is prepared to do a push-up her center of gravity lies directly above a point on the floor which is 09 m
a 640- hollow ball 19 in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of 078