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four point charges of magnitude 31 microc are at the corners of a square of side 5 ma find the electrostatic potential
an 70 box of oranges is being pushed across a horizontal floor as it moves it is slowing at a constant rate of 090 each
you are working for a shipping company your job is to stand at the bottom of a 59 -long ramp that is inclined at 45
a thin horizontal 10cm x 10cm copper plate which is 1 mm thick has 1010 excess electrons if the electrons are uniformly
identical isolated conducting spheres 1 and 2 have equal charges q and are separated by a distance r large compared to
two 10-cm charged disks face each other 20 cm apart the left disk is charged to -30 nc and the right disk is charged to
charges q and -q are spaced 1 cm apart this dipole is centered at the origin and oriented along the y-axis the electric
a 274-nf parallel-plate capacitor is charged to an initial potential difference vi 100 v and is then isolated the
a water droplet of radius 0015 mm remains hanging stationary in the air if the electric field of earth is 100 nc how
three capacitors are connected in series the equivalent capacitance of this combination is 270 f two of the individual
a 293-f and a 690-f capacitor are connected in series across a 350-v battery a 972-f capacitor is then connected in
in a heart pacemaker a pulse is delivered to the heart 81 times per minute the capacitor that controls this pulsing
the horizontal velocity of a projectilenbspnbsp nbspnbspnbsp is zerocontinuously decreasessometimes decreases and
consider 08 grams of air which may be assumed to be an ideal gas at 295 k and 15 bar trapped in a rigid tank an
during a particular thunderstorm the electric potential between a cloud and the ground is vcloud - vground 20 x 108 v
a 300 and a 600 capacitor are connected in parallel and this combination is connected across a 460 potential difference
a thin square conducting plate 420 cm on a side lies in the xy plane a total charge of 420 10-8 c is placed on the
an infinitely long cylindrical insulating shell of inner radius a and outer radius b has a uniform volume charge
only two forces act on an object mass 270 kg as in the drawing f 630 n find the magnitude and direction relative to
three resistors having resistances of 120 ohm 250 ohm and 460 ohm are connected in parallel to a 250 v battery that
a cylindrical capacitor has an inner conductor with a radius of 12 and an outer conductor with a radius of 39 the two
three charges are arranged as shown in the figure below find the magnitude and direction of the electrostatic force on
a small sphere of charge q1 0848 microc hangs from the end of a spring as in figure a when another small sphere of
an athlete grips a light rope that passes over a low-friction pulley attached to the ceiling of a gym a sack of sand
the specifications associated with a commercial spectrophotometer are diffraction grating with 600 groves per mm focal