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a 200 kg box is dragged across a rough floor by a horizontalforce of 850n i starting from rest the force acts for300 s
write reaction equations to explain how acetic acid-acetate buffer reacts with an acid and reacts with a basesay for
a very long straight wire carries a current of 0180 a this wire is tangent to a single-turn circular wire loop that
a bolt comes loose from the bottom of an elevator that is movingupward at a speed of 586ms the bolt reaches the bottom
what volume of oxygen gas at 320 k and 680 torr will react completely with 250 l of no gas at the same temperature and
a 150 kg box is pushed 500m across a level floor along whichmu0333 the push acts parallel to the floor determine the
in coming to a stop a car leaves skid marks 85m long on thehighway assuming a deceleration of 64ms2 estimate the speed
what is the final ph after 1 drop 005 ml of 6m hcl is added to 10 l of freshly prepared pure water that was originally
one gallon of paint volume 378 x 10-3 m3covers and area of 250 m2 what is the thickness of the paint on the
pretend you have been charged witht the task of analyzing a pure colorless unknown liquid would this liquid be capable
a boat moves at 120ms relative to the water if the boat is in a river where the current is 200ms how long does it take
calculate tph of 01 m solution of acetic acid calculate the volume of 1m solution of naoh required to neutralize 20ml
a mule uses a rope to pull a box that weights30x102n across a level surface with constant velocitythe rope makes an
an unknown salt is either nacn nac2h3o2 naf nacl or naocl when 0100 mol of the salt is dissolved in 100 l of solution
a small object of mass 330 g and charge-24 microc floats in a uniformelectric field what is the magnitude and direction
potassium carbonate should not be used as a drying agent for some organic compounds would it be better for use in
what is the minimum number of 65-omega resistors that must be connected in a parallel in order to produce an equivalent
calculate the ph of the following solution a solution prepared by mixing 1000 ml of 0500 m acetic acid with 0353 g of
a long narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0023 ms seethe drawing
steam moves into the cylinder of a steam engine at a constantpressure of 200 x 105 pa the diameter of the piston is 160
consider a particle of mass m moving in a one dimensional system between xa and xb its potential energy is
in reaching destination a backpacker walks with an average velocity of 148ms due west this average velocity results
055 g of hydrogen chloride rm hcl is dissolved in water to make 30 l of solution what is the rm ph of the resulting
mars is approximately a sphere or radius 337 x 106ma what is its surface area in square kilometersb what is its volume