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a proton is confined within an atomic nucleus of diameter 380 fmestimate the smallest range of speeds you might find
1nbspan astronaut travels at a speed of 098cnbspfrom the earth to a distant star that isnbsp73nbspnbsp1017nbspm away if
the us military uses sonar with a loudness of 235 db measured at 1 m say an unfortunate fish is swimming 05 m in front
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
a microscope objective has a focal length of 17 mm it forms an image at 16 cm from its second focal point how far from
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
how is the motion of a projectile analyzed describe how the vertical component and the horizontal component of a
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