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a small rigid object carries positive and negative 300-nc charges it is oriented so that the positive charge has
a mercury thermometer is free of all markings the thermometer is placed in an ice bath when the thermometer is in
one mole of an ideal monatomic gas is expanded adiabatically and quasi-statically from a pressure of 1172 kpa and a
water has a latent heat of vaporization of 2257 kjkg steam is used to heat a copper tube of 0358 kg from 21 degrees c
an ideal gass initial conditions are 1 mol a pressure of 2717 kpa an internal energy of 624 j and a volume of 08 l the
a refrigerator has a coefficient of performance of 79 how much heat in joules is exhausted to the hot reservoir when
one mole of an ideal diatomic gas is heated from a temperature of 19 degrees c to a temperature of 149 degrees c how
a gas at a temperature of 385 k a pressure of 72 kpa and occupying a volume of 036 m3 is compressed to a volume of 010
a90-v battery is connected to a capacitor resulting in510microc of charge stored on the capacitor how much energy is
when a potential difference of 144v is applied to the plates of a parallel-plate capacitor the plates carry a surface
a car starting from rest accelerates for 5 seconds until its wheels are moving with an angular velocity of 1000 rads
an object is placed 111 cm in front of the cornea the cornea is thin ans has approximately parallel sides so that the
what are a the energy b the momentum and c the wavelength of the photon that is emitted when a hydrogen atom undergoes
what is the lower radiated from a nichrome wire 10 m long and 15 mm in diameter at a temperature of 900 c the
if the work function for a metal is 18 ev what would be the stopping potential for light having a wavelength of 400 nm
monochromatic light of wavelength 510 nm is incident on a diffraction grating with 5000 linescm what is the
the wavelength max at which the spectral radiancy of a cavity radiator has its maximum value for a particular
you are given a 10-mh inductor and two capacitors of 50- and 20-f capacitance list the resonant frequencies that can be
a hundred turn of insulated copper wire are wrapped around an iron cylinder of cross-sectional area 10x10-3 m2 and are
at the top of earths atmosphere sunlight has an average intensity of 1380wm2 if the average distance from earth to the
a typical home may require a total of 200103kwh of energy per month suppose you would like to obtain this energy from
calculate the orbital period of pluto in yr from knowledge of g the mass of the sun m 199times1030 kg and the orbital
a velocity selector 1ms a magnetic field of magnitude 03 t perpendicular to an electric field of magnitude 032 mvm the
compute the gravitational force between the sun m 199times1030 kg and the planet pluto m 250times10-3 times the mass
the mass of saturn is 952000 times that of earth and its radius is 9130 times that of earth calculate the acceleration