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a uniform electric field is oriented so that it makes a 600deg angle with the normal to a 10 m2 surface the electric
a box loaded with books mass254kg is being dragged across a frozen pond by a rope at an angle of 147degrees above the
a large storage tank open to the atmosphere at the top and filled with water develops a small hole in its side at a
a 20 cm thick bar of soap is floating on a water surface so that 13 cm of the bar is underwater bath oil of specific
b 30tk sin 10 times107 x t x is in meters and t is in secondsa what is the wavelength of the waveb what is the
the force on an object is given by fx -2x2ex where f is in newtons and x is in meters what is the change in the
the x y and z components of a vector a are lt-3 2 1gt and the components of a vector b are lt2 -2 4gt what is the angle
the components of velocity of an object moving in two dimensions are 40 ms westward and 28 ms southward what is the
a 78 kg person is standing on the edge of a rotating merry-go-round platform with a 30-m radius 205kg mass and a 145
in a photoelectric effect experiment the cathode made of chromium work function 45 ev is irradiated with ultraviolet
if you triple the distance between two charged objects by what factor is the electric force
two balls of mud collide head-on in a perfect inelastic collision suppose m105kg m2 025kg v1i 4 ms and v2i -3 ms
in a single slit diffraction experiment the width of the slit is 2x10-5 m and the distance from the slit to the screen
if the iron core of a collapsing star initially spins with a rotational frequency of f 63 s-1 and if the cores radius
a hydrocarbon is found by combustion analysis to contain 8717 carbon and 1283 hydrogen by mass determine the smallest
the magnetic field of an electromagnetic wave in a vacuum is bz 35 mut sin 16times107 x - 2pi f t where x is in m
the electric potential energy stored in the capacitor of a defibrillator is 110 j and the capacitance is 91 muf what is
what volume of each of the following acids will react completely with 2550 ml of 0700 m
four identical charges 16 muc each are brought from infinity and fixed to a straight line each charge is 032 m from the
a simple generator is designed to operate in the outback of us the circular loop has a radius of 570cm and consists of
an electron microscope uses electrons that are accelerated tospeeds of 30000msthe electrone than sent perpendicularly
1write the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate2what is the net
a ball rolls off a table and falls 073 m to the floor landing with a speed of52 msa what is the magnitude of the
a football is kicked straight up into the air and it hits theground 38 seconds latera what is the greatest height
a thin 20-kg 50 m long rod is bent into a semi circle a 010 kg object is placed at the center of the curvature of the