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a military gun is mounted on a railroad car m 1419 kg as shown in the figure below there is no frictional force on the
ethylene glycol hoch2ch2oh is used as antifreeze it is produced from ethylene oxide c2h4o by the following
two radio frequency point sources separated by 18 m are radiating in phase at a wavelength of 060 m a detector moves in
a puck of mass m1 150 kg slides in a circle of radius r 200 cm on a frictionless table while attached to a hanging
a cylindrical bucket open at the top is 280 cm high and 100 cm in diameter a circular hole with a cross-sectional area
a ball is thrown horizontally with the speed of 15 ms from the top of a building it takes the ball 5 s to land on the
liver alcohol dehydrogenase adh is relatively nonspecific and will oxidize ethanol or other alcohols including methanol
a 075 kg cart has been attached to a spring the cart is moved to the right by 20 cm find the spring constant what is
two starships the enterprise and the constitution are approaching each other head-on from a great distance the
an unknown solution of ethanol was titrated with 250ml of 02m solution of potassium dichromate in sulfuric acid in
calculate the reversible work required to transport 1mol of k from a region where ck525 mm to a region where ck355 mm
a television is tuned to a station broadcasting at a frequency of 850 107 hz for best reception the rabbit-ear antenna
two steel wiresof the same length and different radii are connected together end to end and tired to a wall an applied
a very fast-moving train car passes you moving to the right at 050c you measure its length to be 14m your friend david
a solution contains 025 m nino3 and 025 m cuno32 can metal ions be separated by slowly adding na2co3 assume that for
how many electrons flow through a light bulb each second if the current through the light bulb is
why does the addition of the no2 to the acidic solution of acetanilide need to be performed at a cold temperature what
a cars starter draws 50a from the cars battery when starting up if the start up time is 15s how much electrons pass a
a river with the width of 800 m flows due south with a speed of 20 ms a man steers a motorboat across the river his
1 give an example of thermodynamically stable system and a kinetically stableone whats the differencethe following
an led is constructed from a pn-junction based on a certain ga-as-p semiconducting material whose energy gap is 19 ev
calculate the ph of a solution formed by mixing 1000 ml of 020 m hclo with 2000 ml of 030 m kclo the ka for hclo is 29
how would the absorbance of a nascn have been affected if 30 m feno33 had been used in place of 20 m in the case that
a rocket passes earth and travels to a star 80 light-years away the earth hand the star are in the same frame of