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a sulfuric acid solution is added to scale-forming water to convert calcium carbonate to calcium bicarbonate write the
a cylinder rolls down a ramp of height h 11 m with 36deg starting from rest at the top how long does it take to
a woman of mass m 509 kg sits on the left end of a seesaw-a plank of length l 399 m pivoted in the middle as shown in
determine the ocean depth at which the water becomes supercritical assume the density of the water is that of fresh
the mens world record for swimming 15000m in a long course pool as of 2007 is 14 min 3456 s at this rate how many
the hard disk in a laptop computer or some mp3 players contains one or more platters spinning disks each having an
an 180g arrow is fired into a 300kg pumpkin suspended on a string the arrow imbeds itself in the pumpkin and makes it
for a material to float on the surface of water the material must have a density less than that of water 10 gml and
a 500kg car traveling due east at 540kmh collides head on with a 3000kg van moving at 180kmh if the two vehicles stick
divers experience a problem known as the bends when they come up to the surface too fast in 200-300 words can you link
a 600kg swimmer stands at the edge of a 200kg boat that is motionless on the water of a lake if the swimmer dives from
what characteristic h nmr absorption would be expected in the aliphatic region for
a 575g air-track glider attached to a spring with spring constant 140 nm is sitting at rest on a frictionless air track
the decomposition of hydrogen peroxide is catalyzed by iodide ion the catalyzed reaction is thought to proceed by a two
better approximation there also exists an item in nature that is extraordinarily spherical where the approximation of a
a 0060kg ball is propelled by a 110kg racquet from rest to a speed of 400ms if the two objects are in contact for 250ms
the flywheel of an automobile engine is a solid disk with a mass of 90 kg and a radius of 19 cm and is rotating at 3900
a boy of mass mboy stands at the edge of a merry-go-round of radius r 39 m and mass mmgr and both are initially at
a sample of a real gas acts more like an ideal gas when the volume is increased at constant temperature why does this
what is the limiting reactant in this experiment the density of methyl salicylate is 118gml at 20degree
a child of mass 30 kg stands at the edge of a merry-go-round of mass 130 kg and radius 23 m and both are initially at
what pressure is exerted by a sample of nitrogen gas of mass 3055 g in a container of volume 300 dm3 at 32 degrees
a cd radius 60 cm is spinning freely with an angular velocity of490rpm when a bug drops onto the cd a distance44cm from
when the 1s orbitals of two hydrogen atoms combine to form a hydrogen molecule how are the electrons distributed in the