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a uniform electric field exists in a region between twooppositely charged plates an electron is released from restat
a rock of mass 45kg accidentally breaks loose from the edge ofa cliff and falls straight down the magnitude of the
the atwood machine in the figure consists of masses m1 120 kgand m2 105 kg and a solid pulley with a diameter of 61
a 153 kg ball is attached to a ceiling by a 306 m longstring the height of the room is 512 m the acceleration of
a rock appears to be 7m below the surface of a lake whenviewed directly from above what is the actual depth of the
a 412-kg boy riding a 265-kg skateboard at a velocity of 507 ms across alevel sidewalk jumps forward to leap over a
if a boat has a speed of 675 ms and goes north directlyacross a river and back the current is moving east at 050 ms
the pickup coil in an electric guitar contains 10000 turnsand has a diameter of 21 mm when thepickup coil is very close
a horizontal force of 100 n pushes a 10 kg block up a frictionlessincline that makes an angle of 25deg with the
a positively charged particle of mass 540 10-8 kg is traveling due east with a speedof 70 ms and enters a 045 t uniform
a small object with a mass of 250mg carries a charge of 400 nc and issuspended by a thread between the vertical plates
if you are looking at a sketch of an electric field withoutany numbers how do you estimate where the electric field is
two grams of liquid water are at 0 degree celsius and anothertwo grams are at 100 degree celsius heat is removed from
from the top of a tall building a gun is fired the bullet leavesthe gun at a speed of 340 ms parallel to the ground as
a spherical water drop 120mu m in diameter issuspended in calm air owing to a downward-directed atmosphericelectric
a long thin rod 5 m lies along the x axis with its midpointat the origin in a vacum a 60 10-6 c point charge is ficed
a force of 10n acts on two blocks on frictionless surfacethe first block is 3kg and the second block is 2kg what is the
two small charged objects are attached to a horizontal springone at each end the charges area equal and the spring
the angle of incidence at a solidliquid boundary is 653deg andthe index of refraction of the solid is n 171a what must
the potential is constant throughout a given region of space is the electric field zero or nonzero in this
a spaceship is approaching a space station at a speed of 18e5ms the space station has a beacon that emits green light
a transformer is to be used to provide power for a computerdisk drive that needs 60 v rms instead of the 120 v rms
an ac voltage with an amplitude of 100 v is applied to aseries combination of a 200 muf capacitor a 100 mh inductorand
a what is the resistance of a light bulb that uses an averagepower of 90 w when connected to a 60hz power source with a
an amusement park ride called the rotor consists of a room in theshape of a vertical cylinder 198 m inradius which once