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what is the total translational kinetic energy in a test chamber filled with nitrogen n2 at 222times105 pa and 207degc
a circular loop of wire lies in the plane of the paper an increasing magnetic field points out of the paper what is the
a converging lens with focal length of 60cm is placed 80 cm to the right of a diverging lens of focal length of -40 cm
a fiber optic line is composed of a core with an index of refraction of 147 and cladding with an index of 131 which one
absolute zero is only theoretical because all systems work towards increasing entropyit is impossible to observe
select all true statements about electromagnetic wavesa electromagnetic waves are a direct consequence of maxwells
a beam of light traveling in water n133 is incident on a glass surface n152 at what angle of incidence will the
a beam of ultraviolet radiation with frequency of 264x1015 hz is directed on a clean metal surface the work function of
the center of the spherical metal ball of radius r carrying a negative charge -q is located a distance r from the
a light ray in air enters a glass slab at point a at incident angle theta1 and then undergoes total internal reflection
a series rlc circuit with r 125 omega l 560 mh and c 0022 muf is driven by an ac generator with voltage amplitude of
a 04 guitar string is vibrating in its fundamental frequency the maximum acceleration of a point at the middle of the
the stationary siren on a firehouse is sounding at 85 hz what is the frequency received by a firefighter racing toward
you are to design a tungsten filament light bulb that has a power of 60w when it is connected to 120v at which
an electric point of 6 mill- coulomb is placed in the center of a metallic spherical shell of inner diameter 15 cm and
1 calculate the total number of electrons in a coin of mass of 300 grams made of pure copper each copper atom has 29
a wire in the shape of a square has sides of 35 cm and a resistance of 8 ohms the wire is being pulled out of a uniform
an asteroid has been discovered revolving around the sun on a circular orbit with radius 42 times of the earths orbit
in an x-ray scattering measurement the first order diffraction peak is observed at 162deg at what angle is the second
the work function of a certain metal is 305 ev determine the minimum frequency of light f0 for which photoelectrons
electrons are accelerated through a voltage difference of 175 kv inside a high voltage accelerator tube what is the
an object is made of glass and has the shape of a cube 012 m on a side according to an observer at rest relative to it
two converging lenses having focal lengths of f1 111 cm and f2 200 cm are placed d 500 cm apart the final image is
light from an argon laser strikes a diffraction grating that has 5310 grooves per centimeter the central and first
sound with a frequency 650 hz from a distant source passes through a doorway 110 m wide in a sound absorbing wall find