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consider joules experiment described in the insight below assume the mass m 22 kg and the fluid is water with a volume
manufacturers of wire and other objects of small dimensions sometimes use a laser to continually monitor the thickness
how many bright fringes appear between the first diffraction envelope minima the first diffraction minima on each side
a 45kg rock is dropped 70 m into 40 kg of water if all the rocks kinetic energy is converted to thermal energy in the
if superman really had x-ray vision at 01 nm wavelength and a 4 mm pupil diameter at what altitude could he distinguish
the distance between the first and fifth minima of a single slit diffraction pattern on the same side of the central
a ship is lost in a dense fog in a norwegian fjord that is 256 km wide the air temperature is 500degc the captain fires
a long straight wire carries a current of 4 a to the right next to the wire is a square loop with sides 10 m in length
the rms speed of a sample gas is increased by 20 1 what is the percent change in the temperature of the gasft 2 what
assuming the density of seawater is 103 gcm3 find the total weight of water on top of a nuclear submarine at a depth of
water is the working fluid in an ideal rankine cycle with superheat and reheat steam enters the first-stage turbine at
damping is negligible for a 0125-kg object hanging from a light 630-nm spring a sinusoidal force with an amplitude of
very fine smoke particles are suspended in air the translational rms speed of a smoke particle is 28 x 10-3 ms and the
carbon disulfide cs2 has a vapor pressure of 300 torr at room temperature almost half of atmospheric pressure a sample
a syringe of volume 200 ml has just been used and now lies empty on the doctors desk the pressure in the office is
one mole of gas obeys van der waals equation of state and allowed to expand isothermally from v1 to v2 derive equation
the rms speed of the molecules of a gas at 137degc is 183 ms calculate the mass of a single molecule in the gasanswer
a geiger-muller tube is a type of gas-filled radiation detector it can detect particles like x-rays alpha particles and
a typical steel b-string in a guitar resonates in its fundamental frequency at 240 hertz the length of the string is
a spring attached to the ceiling of an elevator is 10 cm long when nothing is hanging from it it is 12 cm long when a
one of the predicted problems due to global warming is that ice in the polar ice caps will melt and raise sea level
the amplitude of a lightly damped oscillator decreases by 49 during each cycle what percentage of the mechanical energy
transmission electron microscopes that use high-energy electrons are employed in many areas including the study of
a bead of mass m slides on a frictionless wire under the influence of gravity the wire has a parabolic shape and