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a certain lightbulb filament when hot has a resistance of205 omega the potential difference across the filament at
two parellel plates of area 100 cm2 are given charges ofequal magnitudes 89 x 10 -7 c but opposite signs the electric
charges q and q are placed on the x axis at x 0 and x 20m respectively if q -40 pc and q 30 pc determine the net flux
a truck is moving at 150 kmh and approaches a stationary policecar that has a radar speed detector operating at 15 ghz
consider a parallel-plate capacitor with an area of 09 cm2 with a plate spacing of019 mm and filled with quartz at what
a parallel-plate capacitor has square plates of edge length11 cm and a plate spacing of009 mm if the gap between the
the magnetic field perpendicular to a single132 cm diametercircular loop of copper wire decreases uniformly from 750 t
an underwater scuba diver sees the sun at an apparent angle of280deg from the vertical what is actual direction of the
the frames s and s are in the standard configeration with relativevelocity 08c along ox what are the corrdinatesx1 y1
a bucket filled with water has a mass of 37 kg and is hanging froma rope that is wound around a stationary cylinder of
a small box with mass 0250kg is attached to a string passingthrough a hole in a frictionless horizonatal surface the
a 5086 n window washer is standing on a uniform scaffold supported by a vertical rope at each end the scaffold weighs
a pair of closely spaced square conducting plates measure12 cm on a side the electric field energydensity between the
the magnitude of the dipole moment associated with an atom ofiron in an iron bar is 21 10-23jt assume that all the
a person of mass 75 kg stands at the center of a rotatingmerry-go-round platform of radius 25m and moment of inertia
a small 600 g ball on the end of athin light rod is rotated in a horizontal circle of radius16 ma calculate the moment
a flywheel 0600 m in diameter pivots on a horizontal axis arope is wrapped around the outside of the flywheel and a
if 16 students lift a car while holding the car off the ground each person exerts an upward force of 400 n what is the
temperatures are often measured with electrical resistancethermometers made of platinum wire suppose that the
a car battery has a rating of 200 ampere hours ah thisrating is one indication of the total charge that the battery
a student proposes to measure the gravitational constant g bysuspending two spherical objects from the ceiling of a
a 30 microcoulomb point charge is placed in an external uniform electricfield of 16104 nc at what distance from the
a microwave oven generates electromagnectic waves of frequency245 ghz the microwaves enter the oven and are reflected