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a discover the frequency of revolution of an electron by an energy of 500 ev in a magnetic field of 280 microtb compute
a circular loop in the plane of the screen lies in a 067 t magnetic field pointing into the screen if the loops
the threshold of dark-adapted isotopic vision is 20 multiplied by10-11 wm2 at a central wavelength of450 nm if light
1 a constant net torque is applied to a object which one of the following will not be constant1 angular acceleration2
a spaceship travels at a constant speed from earth to a planet orbiting another star when the spacecraft arrives twelve
in deep space sphere a of mass 120 kg is located at the origin of an x axis and sphere b of mass 130 kgis located on
a the rms speed of molecules in a gas at 350degc is to be increased by 18 to what temperature should it be raisedb what
the diffraction pattern from a single slit width 002 mm is viewed on a screen that is 12 m away from the slit if light
a 990 a current circulates around a 230-mm-diametersuperconducting ringwhat is the rings magnetic dipole momentwhat is
asteroids have average densities of about 2500 rm kgrm m3 and radii from 470rm km down to less than a kilometrepart
in a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 530 nmwhat
if an electron is released from rest in a region of space with nonzero electric field does the electric potential
a two thin slits separated by 00822 mm are illuminated with light from a he-ne laser lambda 633 nm producing
a gamma-ray photon creates an electron-positron pair each with a kinetic energy of 260 kev1 what was the energy of the
a rifle of a mass m is initially at rest but free to recoil it fires a bullet of mass m and velocity v after firing the
in the hydraulic press utilized in a trash compactor the radii of the input piston and the output plunger are 58
a football is kicked straight up into the air it hits the ground 54 s later1 what was the greatest height reached with
discover the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person20 m from
the muons rest mass is 1057 mevc2 and its life-time is 22 x 10-6 s think a beam of muons with a kinetic energy of 800
when striking the pike a predatory fish can accelerate from rest to a speed of 37 ms in 011 show far does the pike move
an unstable high-energy particle enters a detector and leaves a track 109 mm long before it decays its speed relative
a 35kg child is standing on the outer edge of a merry-go-round that has moment of inertia 847 kgm2 and radius 240 m the
a the minute hand on a watch is 20 cm long1 what is the y-component of the displacement vector of the tip of the minute
a hydrogen molecule consists of two hydrogen atoms whose total mass is 53x10-26 kg and whose moment of inertia about an
a soap film n 133 is 273nm thick and lies on a glass plate n 152 sunlight whose wavelengths in vacuum extend from 380