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Two point charges lie on the x axis. A charge of +6.26 μC is at the origin, and a charge of -9.76 μC is at x = 11 centimeter. Compute what is the net electric field at x = -3.83 centimeter? Compute the net electric field at x = +3.83 cm?
The wavelength of violet light is about 430 nanometers, or 4.30*10-7 m. The frequency of the violet light reflected from a metal surface and the frequency of the vibrating electron that produces it are the same.What is this frequency?
An electron with mass 9.11×10-31 kg moves with a speed of 1.90×106 m/s in a circle of 2.63 cm radius under the influence of a magnetic field. A proton of mass 1.67×10-27 kg , moving in the same plane with the same speed, experiences the same centripe..
In being served, a tennis ball is accelerated from rest to a speed of 48.0 m/s. The average power generated during the serve is 2920 Watt. obtain the force acting on the ball
A K+ ion and a Cl ion are directly across from each other on opposite sides of a membrane 8.9 nm thick. What is the electric force on the K+ ion due to the Cl ion? Ignore the presence of other charges. What direction will it go in relation to the ..
A spacecraft approaching the earth launches an exploration vehicle. After the launch, What is the speed of the exploration vehicle relative to the spaceship
Determine out the greatest possible angular speed it can have for the matter at the surface of the star on its equator to be just held in orbit by the gravitational force.
A spherical mirror has a radius of curvature of + 30cm. An object that is 8.0 cm tall is placed 20 cm in front of the mirror. a) What is the position at which the image is formed? b) What is the height of the image? c) Is the image real or virt..
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.13 m2, what is the percentage lost by the window
A dart is thrown horizontally with an initial speed of 16 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, How far away from the dart board is the dart released
if the block is raised back to 100 meters without gaining or losing heat from the environment, What is the blocks temp after it was raised
An arrow is shot from a height of 1.9 m toward a cliff of height H, what is the height of the cliff in meters and what is the max height of the arrow along its trajectory in meters
a carnot engine operates with an efficiency of 23.0 when the temperature of its cold reservoir is 274 k. assuming that
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