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a 139-g mass is suspended 133 cm above a nonconducting flat plate directly above an embedded charge of qa if the mass
when jumping a flea reaches a takeoff speed of 12 ms over a distance of 045mma what is the fleas acceleration during
a playground is on the flat roof of a city school 46 m above the street below see figure the vertical wall of the
one afternoon a couple walks three-fourths of the way around a circular lake the radius of which is 146 km they start
in a rectangular coordinate system a positive point charge q 600 10-9 c is placed at the point x 0150m y 0 and an
a a small ball with a mass of 006 kg moves along a circular orbit with a radius of 05 m at a speed of 30 ms what is the
a plane diving with constant speed at an angle of 540deg with the vertical releases a projectile at an altitude of 890
shavingmake-up mirrors typically have one flat and one concave magnifying surface you find that you can project a
find the electric field at the center of a square of side d 10 cm with charges of q 90 microc at each cornerfind the
a carpet is to be installed in a room of length 874 m and width 58 m find the area of the room retaining the proper
two capacitors c1 600 microf and c2 140 microf are connected in parallel and the resulting combination is connected
an electron beam is deflected upward through 25 mm while traveling in a vacuum between two deflection plates 124 mm
four identical metallic objects carry the following charges 168 603 -464 and -966c the objects are brought
a hot-air balloonist rising vertically with a constant velocity of magnitude 500ms releases a sandbag at an instant
the total electric field consists of the vector sum of two parts one part has a magnitude of e1 1200 nc and points at
two vectors a and b are added by means of vector addition to give a resultant vector rrab the magnitude of a and b are
a uniform electric field exists in the region between two oppositely charged plane parallel plates an electron is
a very slow neutron with negligible kinetic energy is captured by a 11b boron-11 nucleus which ends up in its ground
a helium nucleus charge 2e moves through a potential difference v 040 kv its initial kinetic energy is 340 10-16 j
a basketball player runs down the court following the path indicated by the vectors a b and c in the figure belowthe
if a sound wave traveles throught soft tissue a a velocity of 154 mmmicrosecond for 2203ms how far has the sound wave
a uniform electric field has magnitude e 270 nc and is directed to the right a particle with charge 43 nc moves along
a parallel-plate capacitor with area 0700 m2 and plate separation of 200 mm is connected to a 1800-v batterya what is
an astronaut on the moon drops a rock straight downward from a height of 150mpart a if the acceleration of gravity on
a furlong is a distance of 220 yards a fortnight is a time period of two weeks a race horse is running at a speed of