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3743 j of heat are removed from a gas sample while it is being compressed by a piston that does 2312 j of work what is
an archer shoots an arrow with initially only a horizontal velocity from his bow the height that the arrow leaves
an astronaut is being tested in a centrifuge the centrifuge has a radius of 659 m and in starting rotates according to
a block of solid water m 12g ti -5 degress c is placed as ammo inside a spring loaded cannon the spring in this
how many grams of formaldehyde h2co are in a 500 ml of a 40 solution of formaldehyde in water assume for this problem
you stand on a frictionless platform that is rotating with an angular speed of 72 revs your arms are outstretched and
a 128-gram sample of copper is heated with sulfur to produce 160 grams of a copper sulfide compund calculate the mass
a block of mass m is attached to a cord that is wrapped around the rim of a flywheel of radius r and hangs vertically
predict the average rise in sea level due to thermal expansion based on temp changes of 12 and 35 degrees c given that
an object is 20 cm to the left of a thin diverging lens having a 10 cm focal length what is the image distance find the
nbspratio of coulomb and gravitational force magnitudesit is known that the electric force between two objects is
what is the magnitudeof the electric field at a distance of 410times10minus10 m from a uraniumnucleuswhat is the
part a the unit cell edge in sodium chloride has a length of 5640 pm the sodium ion has a radius of 95 pm what is the
a colored complex of unknown sample solution exhibits 23 transmission through 1-cm long cuvette a 11 dilution solution
an otto engine uses a gas having gamma 140 and has a compression ratio of 860part a out of every gallon of fuel this
a model of a helicopter rotor has four blades each 360 m in length from the central shaft to the bladetip what is the
an lc circuit has zero resistance no battery a capacitor c46microfarads and an inductor l02h connected in a simple loop
a brick is initially 1480 cm high and an aluminum can is initially 1481 cm high by how much must their temperatures be
blood is a viscous fluid if due to plaque the cross-sectional area of an artery is reduced by a factor 6 over a segment
what volume of 0382 m naoh is needed to reach the equivalence point in the titration of 249 ml of 00390 m chlorous acid
if it is orbital velocity that keeps the electron orbiting the protron and as its energy decays does it get drawn into
two moles of an ideal gas undergo a reversible isothermal expansion from 310times102m3 to 500times102m3 at a
04647g sample of a compound known to contain only carbon hydrogen and oxygen was burned to yield 08635g of co2 and
a balloon is filled with 500 liters of helium at a pressure of 120 atm and a temperature of 270 degrees ca find the