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Two 10 centimeter diameter charged rings face each other, 30 centimeter apart. The left ring is charged to -30nC and the right ring is charged to +30nC.
A. Obtain the magnitude of the electric field E, at the midpoint between the two rings?
B. Obtain the direction of the electric field E, at the midpoint between the two rings?
C. Obtain the magnitude of the force F, on a -1.0nC charge placed at the midpoint?
D. Obtain the direction of the force F, on a -1.0nC charge placed at the midpoint?
A submerged submarine alters its buoyancy so that it initially accelerates upward at .325m/s^2. What is the submarine;s average density
in reaching her destination a backpacker walks with an average velocity of 1.22 ms due west. this average velocity
The first has a magnitude of 128 cm and makes an angle of 113 degrees with the positive x axis. The resultant displacement has a magnitude of 180 cm and is directed at an angle of 39 degrees to the positive x axis.
A solid, horizontal cylinder of mass 9.0 kg and radius 1.30 mrotates with an angular speed of 6.00 rad/s about a fixed verticalaxis through its center. Determine the final angular speed of the system
Assume 3 mol of neon (an ideal monatomic gas) at STP is compressed slowly and isothermally to 0.25 the original volume. The gas is then allowed to expand quickly and adiabatically back to its original volume.
A 3*5 card containing two pinholes, 0.08mm in diamter andseparated center to center by 0.10mm, how far away should the screen be
For silver electrode (hint: click just below the word "cesium"), what is the highest energy of an electron ejected by light of 250 nm.
A pi meson of mass mπ move with speed uin the positive y direction in frame S with parametersβu = u/c and γu = (1 - βu2)-1/2. Compute the combined energy of the two photons in S'
Light of wavelength 624 nm is incident perpendicularly on a soap film suspended in air. Assume the soap film has n = 1.33. What are the smallest two thicknesses of the film for which reflections from the film undergo fully constructive interference?
a proton has a speed 4.5*10^5 m/s at a point where electrical potential is 900V. it moves through a point where the electric potential is 500V. find the kenetic energy of proton at first point
A surface whose work function is 2.8 eV is illuminated by a light whose wavelength is 116 nm. What is the maximum velocity of a photoelectron emitted from the surface? The speed of light is 3 × 10^8 m/s and Planck’s constant is 6.63 × 10?34 J · s. An..
You are on a cruise ship traveling north at a speed of 13.0 m/s with respect to land. If you walk north toward the front of the ship, with a speed of 2.7 with respect to the ship, what is your velocity with respect to the land
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