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A plastic rod has been bent into a circle of radius R = 5.10 cm. It has a charge Q1 = +3.60 pC uniformly distributed along one-quarter of its circumference and a charge Q2 = -6Q1 uniformly distributed along the rest of the circumference.
(a) What is the electric potential at the center C of the circle?
(b) What is the electric potential at point P, which is on the central axis of the circle at distance D = 6.71 cm from the center?
One of the wavelengths of light emitted by hydrogen atoms under normal laboratory conditions is at ?0 = 656.3nm in the red portion of the electromagnetic spectrum, How fast are the emitting atoms moving relative to the earth
find the volume of the irregularly shaped object. What is sigma_inner, the surface charge density (charge per unit area) on the inner surface of the conducting shell.
The flashes from the explosions as observed by Spud?
A rock is shot vertically upward from the edge of the top of a tall building. with what upward velocity is the rock shot
The intensity (in W/m2) of one sound is 2.97 times as great as the intensity of another sound. Relative to the quieter sound, what is the intensity level of the louder sound
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of seawater is1025 kg/m3. determine the weight of a jetliner
Find the net force on the Moon (mM = 7.35 × 1022 kg) due to the gravitational attraction of both the Earth mE = 5.98 × 1024, Determine the direction of the net force
The primary coil of a transformer has N1= 300 turns, and the secondary coil has N2= 1810 turns. find rms voltage is developed across the secondary coil?
question ultrasonic acoustic waves are diffracted by a pair of parallel slits 100mm apart. the zeros in the diffraction
A +30 µC charge is placed 40 cm from an identical +30µC charge. How much work would be required to move a +0.41µC test charge from a point midway between them to a point 5cm closer to either of the charges?
Some species use echolocation to determine the position and velocity of objects and prey. What is the sound frequency of the echo the bat hears
To charged dust particles exert a force of 3.2 * 10-2N on each other. What will be the force if they are moved so they are only 1/8 as far apart?
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