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an electron microscope is using anbsp10 kev electron beam an atom has a diameter of aboutnbsp10-10nbspmeterssuppose we
the mechanical advantage of a first class lever is 5 if the output length is 2 ft what is the input length of the
planet has a radius of 6400 km it radiates energy like a black bodynbspuse the stephan boltzmann law to calculate the
problem 1 two speakers emit continuous waves of almost the same frequency what are the possible frequencies of the
a 310nbspgnbspglass thermometer reads 273acirccnbspbefore it is placed in 125nbspmlnbspof water when the water and
a steel cable has a cross-sectional area 405 atilde 10-3 m2 and is kept under a tension of 318 atilde 104 n the density
1 use de broglies hypothesis to determine the speed of the electron in a hydrogen atom when in thenbspnnbsp 5 orbit
part anbspapproximately how long should it take 93nbspkg of ice at 0acircc to melt when it is placed in a carefully
a 385nbspmolnbspsample of an ideal diatomic gas expands adiabatically from a volume of 01510nbspm3nbsptonbsp0756nbspm3
what is the internal energy of 350nbspmolnbspof an ideal diatomic gas at 950nbspknbsp assuming all degrees of freedom
an iron boiler of mass 180nbspkgnbspcontains 560nbspkgnbspof water at 20acirccnbsp a heater supplies energy at the rate
at a pressure 48 kpa the gas in a cylinder has a volume of 15 liters assuming temperature remains the same if the
what is the percent strain when a steel bar of 107nbspmm2nbspcross section is loaded by 83826 n take the youngs modulus
how do you draw a standing wave of a 2 m long string vibrating in the third harmonic n3 with an amplitude of 2 cm at a
please help me answer a-ca what is the period of rotation ofnbspvenusnbspin seconds the period of rotation
you are on the side of a hill with a topo map of the region if you walked so that your trip follows a topo line you
a 50 n cat climbs a 100 kg ladder the mass is non-uniformly distributed and icircraquox cx83 the ladder is 6 m long
mercury is added to a cylindrical container to a depthnbspdnbspand then the rest of the cylinder is filled with water
a rectangular gasoline tank can holdnbsp360nbspkg of gasoline when fullnbsp0450nbspm wide by 0900 m long find depth
a liquid drug with density and viscosity slightly greater than that of water iuml 1100 kgm3 icircfrac14 12 x 10-3
light from a sodium lamp passes through a diffraction grating having 1250 slits per mm the interference pattern is
a double-slit interference pattern is observed on a screen 600 cm behind two slits spaced 018 mm apart two bright
setting gravitational potential energy to zero at infinity and using mj 190 atilde 1027 kg and rj 715 atilde 107 m
problems1 the sun is 60acircdeg above the horizon rays from the sun strike the still surface of a pond and cast a
suppose an anemometer mounted at a height of 10 m on a level field with tall grass shows an average windspeed of 6 ms a