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it has been suggested that the us military tests of a powerful form of sonar surtass-lfa were responsible for the
a gunshot produces a 150 db sound as measuered 1 m from the source treat this source as a point source the explosion
a certain charged particle moves in a path of radius 52x10-1m in a uniform magnetic field if the speed of the particle
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1 a cart moving at 3500 ms is brought to a stop by the force plotted in the force-time graph shown here what is the
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using a force of 280 newton a student pulls a 700 newton weight along the tabletop for a distance of 150 meters in 30
a projectile is launched from the ground at an angle of 30 to the horizontal it has an initial speed of 20 ms-1
assume all temperatures to be exacta large window measures 17nbspmnbspby 32nbspmpart a at what rate will heat be
assume all temperatures to be exacta steel cylinder of radius 45nbspcm and length 33nbspcm is placed in end-to-end
1 what difference between amines and esters is important in the way they are used commercially2 what does the
describe the chemical properties of alkanes what chemical structure makes a compound an alkane how can alkanes react
assume all temperatures to be exact to determine the specific heat of a new metal alloy 0180nbspkg of the substance is
a parallel plate capacitor has plates of area 100 cm2 separated by 0250 mm there is a charge of magnitude 400 pc on
a soap bubble of index of refraction 140 strongly reflects both red and green colors in white light what thickness of a
a position and an electron are placed in place in space 1 meter away from each other the position has same mass as
a 1300-turn coil of wire 220 cm in diameter is in a magnetic field that increases from 0 t to 0110 t in 120 ms the axis
among the globular clusters orbiting a distant galaxy one is moving at 420 kms and is located 11 kpc from the center of
consider an ac emf source connected to a resistor if the average power dissipated is 455 w and the rms current is 528
a compact disc player starts spinning a cd from rest to a final speed of 500 revolutions per minute if it is to reach
a bug is hanging onto the rim of a bicycle wheel for dear life as the bicycle rolls down the road at a speed of 5 ms
two people of equal mass hold hands while ice skating and are spinning around a point midway between them with no
explain what three groups of biochemical compounds are used as food in the human body and the chemical nature of each
ifnbsphnbspis the rate at which the universe expands in kmfraslsfraslmpc then the hubble time isnbsptnbsp 1fraslh find