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a simple harmonic oscillator consists of a 010 kg mass attached to a spring whose force constant is 030 nm the mass is
canadian geese migrate essentially along a north-south direction for well over a thousand kilometres in some cases
1 scientists use the scientific method toa describes new theoriesb make hypothesesc set up experimentsd gain new
one of the steps of brewing beer at home involves removing the beer from one vat and placing it into a second vat while
a system consists of 26 mol of an ideal monatomic gas at 375 ka how much heat should be added to the system to
a dynamite blast at a quarry launches a rock straight upward and 19 s later it is rising at a rate of 18 ms assuming
the greatest height reported for a jump into an airbag is 994 m by stuntman dan koko in 1948 he jumped from rest from
a 061-mm-diameter copper wire carries a tiny current of 26a the molar mass of copper is 635 gmole and its density is
in a particle accelerator two beams of protons are moving at 05c and approach each other head on in the reference frame
a point charge q 47 x 10-6 c is placed at each corner of an equilateral triangle with side length l 021 m what is the
a solid conducting sphere of radius r1 1601 m has a charge of q 4477 c distributed evenly on its surface a second
a light ray reflects from a mirror hanging vertically on a wall in your bathroom and the ray strikes a particular point
the coulomb force between two small identical metallic balls carrying charges q1 and q2 respectively is found to be an
a cylinder has a volume of 23 cm3 and a charge density of 24 ccm3 and is enclosed in a spherical surface with a radius
the voltage supplied by a wall socket varies with time reversing its polarity with a constant frequency as shown in the
if the magnitude of an electric field in air is as great as 300times106 nc the air becomes ionized and begins to
part aa non conducting thin spherical shell of radius 636 cm has a uniform surface charge density of 823 ncm2 what is
a jogger accelerates from rest to 399 ms in 391 s a car accelerates from 176 to 342 ms also in 391 s a discover the
a 100-m vertical tube with its bottom closed and top open to the air is partly filled by mercury what is the absolute
a copper wire 891 cm long and 105 mm in diameter have a mass of 607 g1 discover the number of electrons in the wire
an express train passes during a station which is 210 m long it enters with an initial velocity of 205 ms and
a vertical speaker which can be viewed as a 300-cm gap is playing a 120-khz tone from the center of the stage 100 m
a 350nc point charge is placed at the centre of a hollow metal sphere that has an inner radius 490cm and an outer
the positron is a particle with the same masses as an electron however charges e a positron in a bubble chamber moves