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a negative charge -0550 acircmicroc exerts an upward 0600 newton force on an unknown charge 0210 meter directly below
if the magnitude of an electric field in air is as great as 300times106 nc the air becomes ionized and begins to
a 75 nc point charge and a -20 nc point charge are 30 cm apart what is the electric field strength at the midpoint
four identical charges 29 microc each are brought from infinity and fixed to a straight line the charges are located
a solid conducting sphere of radius r 1341 m is charged such that the magnitude of the electric field at the surface
particles of charge 65 48 and 95 c are placed in a line the center one is l 30cm from each of the others compute the
a convex mirror has a focal length of 28 cm where is the image if the image is upright and three-fourths the size of
a converging lens with a focal length of 7 centimeter forms an image of a 380 millimeter tall real object that is to
two tiny particles having charges of 700 c and -900 c are placed along the y-axis the 700-microc particle is at y 000
a heart defibrillator passes 118 amp through a patients torso for 5 milliseconds in an attempt to restore normal
the drawing shows four point charges the value of q is 40c and the distance d is 075 m discover the total potential at
a 400 g baseball thrown by a velocity of 40 ms is hit straight back at the pitcher with a velocity of -50ms what is the
a cannonball is fired from the ground the cannonball initially travels with a speed of 300 meter per second at an angle
1 two parallel plates are connected to a 40 v battery the distance among the two plates is 24 cm what is the magnitude
determine what mass of tree sap could be raised from 18degc to its boiling point and then evaporated by this energy
a 25-cm-diameter cylinder of helium gas is 20cm long and at 19c the pressure measure reads 120 psi how many helium
compute what energy is dissipated by a lightning bolt having an 18000 amp current a voltage of 106 mv and time duration
a 012 muf capacitor initially uncharged is connected in series with a 10 komega resistor and a 12 volt battery of
a cannon is fired from the ground the cannonball initially travels with a speed of 300 meter per second at an angle of
discover the electric energy density among the plates of a 225-f parallel-plate capacitor the potential difference
a van turns in a circle in an empty parking lot the speed that the van is moving is 15 ms the tires and the concrete of
in the standing broad jump one squats and then pushes off with the legs to see how far one can jump assume the
it is desired that 75c of charge be stored on each plate of a 45 -f capacitorwhat potential difference is needed
an electron has an initial velocity of 800106 ms in a uniform 500105 nc strength electric field the field accelerates
point charges of 230 microc and 430 microc are placed 0500 m apart a at what point along the line connecting them is