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one can make a ldquodry ice bombrdquo by dropping a chip of dry ice solid co2 into a plastic 2-liter bottle of warm
a bubble f gas with a volume of 120 is released under water as it rises to the surface the temperature of the bubble
a proton enters a uniform electric field by an initial velocity of 6x105 ms in the x direction the field has strength
two resistors with values of 21 omega sign and 20 omega sign respectively are linked in series and hooks to a 12 v
a mu moun moving by us at 060c is observed to decay into an electron and two neutrinos the electron is given off in the
a converging lens has a focal length on both sides of 20 cm an object is placed to the left of the lens at 60 cm the
a very long 10-mm-diameter wire carries a35 a current from left to right thin plastic insulation on the wire is
a particle with a charge of -85muc is traveling east with a speed of 45 ms in a region by a magnetic field of 030t if
a power plant taps steam superheated with geothermal energy to 540 k the temperature of the hot reservoir and utilizes
two lenses of focal lengths 24 cm and 320 cm are used to build a small telescope assuming that 24 cm is the focal
a lunch tray is being held in one hand as the figure illustrates the mass of the tray itself is 0167 kg and its center
a hiker who weighs 670 n is strolling during the woods and crosses a small horizontal bridge the bridge is uniform
a hypodermic syringe has a plunger area 25 cm2 and a 50 x10-3 needlea if a small obstruction is at the end of the
a running student has half the kinetic energy that his younger brother has the student speeds up by 13 ms at which
planetary model of hydrogen atom has an electron in a circular orbit about a proton the motion of the electron of
through an adiabatic process the temperature of 362 rm mol of a monatomic ideal gas drops from 480rm circ c to 240rm
a large negatively charged object is placed on an insulated table a neutral metallic ball rolls straight toward the
the front brake pads on your car wear out faster than the rear brake pads in fact some cars are specially designed with
a 02 kg mass is attached to two springs by identical spring constants of 90 nm and moves on a horizontal frictionless
in an experiment by a helium-neon laser with a wavelength of 6328nm you illuminate a double slit that is positioned 30m
the human lungs can function satisfactorily up to a limit where the pressure dissimilarity between the inside and
a length of copper wire carries a current of 12 a uniformly distributed during its cross section the wire diameter is
1 helium-neon laser light lambda 6328 nm is sent during a 0290 mm wide single slit what is the width of the central
a length of copper wire carries a current of 17 a uniformly distributed during its cross section the wire diameter is
the position of a simple harmonic oscillator is given with xt 05 cos pi 3 t where t is in secondswhat is the period of