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A circular non-conducting ring is split into two semi-circles. The top half has a positive charge Q evenly distributed on it, and the bottom half has a negative charge (-Q), NOT evenly distributed. The charge on the bottom half is skewed to the left. If the voltage is zero at infinity, the voltage evaluated at the center of the ring is
Positive
Negative.
Depends on the trajectory used to go from infinity to the center
Zero
A point charge causes an electric flux of -760 N·m2/C to pass through a spherical Gaussian surface of 15.0 cm radius centered on the charge. how much flux would pass through the surface
Find the range of wavelengths seen in the hydrogen emission spectrum in the Brackett series. Find the shortest wavelength in the Brackett series
A spaceship of proper length298m takes0.79µs to pass an Earth observer. find the speed of this spaceship as measured by the Earth observer
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A city planner is working on theredesign of a hilly portion of a city. calculate the maximum steepness of a hill
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assume that a scale is in an elevator on earth. what force would the scale exert on a 57.6kg person on it if the
Two charges, and are the distance apart. These two charges are free to move but do not because there is a third charge nearby what should be the magnitude of the third charge and its placement in sequence for the first two to be in equilibrium.
A billiard ball, initially at rest, is given a sharp impulse by a cue. The cue is held horizontally a distance h above the centerline. determine where is the radius of the ball
an 11000-watt radio station transmits at 880 khz. calculate the energy of a single photon at the transmitted
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