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an incompressible fluid is flowing through a pipe with a constriction the pipe is on an incline with an angle of 300
a concave mirror with focal length 24cm is placed 40cm to the left of the object a convex lens of focal length 12cm is
what ions andor molecules are present in relatively large proportions in a solution of a soluble ionic compound k2s
what ions andor molecules are present in relatively large proportions in a solution of a strong acid hno3
a cook puts 820 g of water in a 200-l pressure cooker that is then warmed to 470degc what is the pressure inside the
at 260 m below the surface of the sea density 1 025 kgm3 where the temperature is 500degc a diver exhales an air
what ions andor molecules are present in relatively large proportions in a solution of a weak acid hcn
as viewed from above a fireworks box with mass m 60 kg slides with speed v 30 ms across a frictionless floor in the
the following reaction is second order in a and the rate of constant is 0039 m-1s-1 a yields b the concent of a was 030
a 580 m length of insulated copper wire is wound to form a solenoid of radius 18 cm the copper wire has a radius of 051
as a result of a chemical spill benzene is evaporating at the rate of 1 gram per minute into a room that is 6 m 6 m 3
suggest at least one characteristic absorption each in the ir spectra of 9 fluorenone and 9 hydroxyfluorene that could
an experiment is performed to determine the density of a metal when a 351 g piece of the metal is placed in a graduated
a man drags a 715-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the
determine the atomic packing factor apf of the simple hexagonal crystal structure assuming the lattice parameter a is
an electron is accelerated through a potential difference of 300 v before colliding with a metal target what
while in europe if you drive 125 km per day how much money would you spend on gas in one week if gas costs 110 euros
a horizontal rope is tied from a house to a pulley and down to a paint bucket filled with sand the paint bucket
a thin piece of metal foil is 1328 ft long and 555 inches wide the density of the metal is 8638 gcm3 and the specific
a pendulum of length l 840 m with a bob of mass m 180 kg is pulled aside until the bob is a distance l 672 m above
a sample of lead has a mass of 4500 kg and a density of 1130 104 kgm3 at 0degc assume the average linear expansion
a star has a mass of 204 1030 kg three-quarters of which is hydrogen the mass of a hydrogen atom is 167 10-27 kg how
write the net ionic equation for the reaction that takes place when the following aqueous solutions are mixed if you
a container in the shape of a cube 96 cm on each edge contains air with equivalent molar mass 289 gmol at atmospheric
if 0250 l of aqueous solution with a density of 100 gml contains 137 micrograms of pesticide express the concentration