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two waves are traveling in the same direction along a stretched string the waves are 900deg out of phase each wave has
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consider the spherical gaussian surface shown in the figure below it is situated near a point charge q which is located
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an object is dropped from a height of 750 m above ground level1 decide the distance traveled through the first second2
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your lab partners cell phone slides off your flat level lab bench with a speed of 150ms rather than catch it you decide
a uniform electric field exists in the region among two oppositely charged plane parallel plates a proton is released
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at the earths orbit the light of the sun distributed evenly over a sphere with a radius equal to that of the earths
a burglar is running as fast as he can on the flat roof of a building trying to escape the police as he approaches the
common transparent tape becomes charged when pulled from a dispenser if one piece is placed above another the repulsive
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1 the starter motor of a car engine draws an electric current of 260 a from the battery the copper wire to the motor is
two identical conducting spheres fixed in place attract each other with an electrostatic force of -04545 n when
object is hung from a spring balance attached to the ceiling of an elevator the balance reads 56 n when the elevator is
1 a large tank of water is full and has a depth of 100 m what is the pressure at the bottom of the tank what would the
a uniform electric field exists in the region among two oppositely charged plane parallel plates an electron is
a solid insulating sphere of radius a 2 cm has a total charge q 10 nc which is uniformly distributed using gausss law
a metal sphere of radius r 30 cm carries a total charge q 20 microc what is the magnitude of the electric field at a
a 69 c negative point charge has a positively charged particle in an elliptical orbit about it if the mass of the
a condensate of open strings with both ends attached to the same d-brane can be equivalent to a displacement of the
the speed of sound v in a fluid depends upon the fluid density and its bulk modulus b as follows v nbm using
the kwik-freez appliance co wants you to design a food freezer that will keep the freezing compartment at -500c and