(a) A test charge +q is brought to a point A a distance r from the center of a sphere having a net charge +Q. (b) Next, a test charge +6 q is brought to a point B a distance 6 r from the center of the sphere. Compared with the electrostatic potential energy of configuration (a), the potential energy in configuration (b) is
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Physics, 22.06.2019 09:50
A250-n box is at rest on a frictionless horizotal floor. then a person shoves the box with a non-zero force of magnitude p. which statement best describes the relationship betweeen p and the motion of the box after it was shoved? -the box will not move when p< 250n but otherwise will accelerate at a constant rate that is directly proportional to p - the box will begin moving at a speed that is directly proportional to p, then will gradually slow to a halt -the box will move with constant velocity at a speed that is directly proportional to p -box will accelerate across the floor at a constant rate that is directly proportional to p
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Physics, 22.06.2019 13:10
Most short-period comets do not have randomly oriented orbits because
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(a) A test charge +q is brought to a point A a distance r from the center of a sphere having a net c...
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