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water at a pressure of 13 atm at street level flows into a building at 3ms through a 6 cm diameter pipe the pipe tapers
a spinning disk of mass 50 kg and radius 025m is rotating about an axis through its center at 400 revmin a what is the
a 1000 ml sample of vinegar is titrated with 05062 m naoh and 1658 ml is needed to reach the equivalence point what is
consider a bicycle wheel rotating about its axel if it is rotating at 2 revolutions per second and the radius of the
a compound containing only antimony and oxygen is 8353 antimony by mass the molar mass is between 500 and 625 gmol what
to focus a camera on objects at different distances the converging lens is moved toward or away from the film so a
a 120 kg mass on a horizontal spring oscillates on a frictionless surface with a displacement as a function of time
calculate the mass of nitrogen dissolved at room temperature in an 840 home aquarium assume a total pressure of 10 and
marble is composed of caco3 caco3 can be made from the reaction of cao with co2 how many pounds of co2 are locked up in
a hydraulic jack has an input piston of area 0050 m2 and an out put piston of area 070m2 how much force on the input
what is the freezing point of a solution that contains 120 g of glucose c6h12o6 in 500 g of water kf 186degcma -248
two uniform solid cylinders each rotating about its centrallongitudinal axis have the same mass of 492 kg and rotate
if we assume that the hospital is always full we can conserve the system by letting lambda deltasst deltahht
a certain flexible weather balloon contains helium gas initially the balloon is at sea level where the temperature is
a 551-kg ice skater is moving at 399 ms when she grabs the loose end of a rope the opposite end of which is tied to a
in carbon-nitrogen nuclear fusion cycle protons are fused to form a helium nucleus positrons releases some energy the
1 draw a phosphatidylglycerol that has caproic acid and cis-9 hexadecanoic acid2 draw and name the lipid which contains
when you weight weight yourself on a scale the scale does not actually read your true weight but rather your weight
someone decides to produce electrical power by turning a coil with 105 circular loops in the earths magnetic field the
find the radii of synchronous orbits about jupiter and about the sun their mean rotation periods are 10 hours and 27
the standard gibbs-free energy of a system is related to its equilibrium constant through the following equationgdeg
two parallel conducting negligible resistance frictionless rails are connected at one end by a resistor r the rails are
a 500 kg block is sliding along a flat surface when it runs into an uncompressed spring with spring constant 352 nm the
1 consider the following unbalanced general reaction equation hig cl2g reverse reaction arrow hclg i2sa balance the
a 120-turn coil is coaxial with a solenoid of 220 turnscm the coil has a resistance of 27 ohms a 40 cm diameter and