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A large plane having uniform charge density has an electric field just outside the plane that points directly toward the plane with magnitude 1.45×10^4N/C . What is the surface charge density?
About Simple Harmonic Motion (SHM) is wrong:
Find the maximum wavelength (nm) of ultraviolet light (in air) for which the reflection will be maximized instead of minimized.
List and explain briefly similarities and differences between the electric force between two charges and the gravitational force between two masses.
Two small charged balls have a repulsive force of 0.12N when they are separated by a distance of 0.70m. The balls are moved closer together, until the repulsive force is 0.70N. How far apart are the
A proton is at the origin and an electron is at the point x= 0.35nm , y= 0.34nm. Find the electric force on the proton.
Question: A 7.10 nC charge is located 1.76 m from a 4.14 nC point charge. (a) Find the magnitude of the electrostatic force that one charge exerts on the other.
Power plant that uses the temperature gradient of the ocean has been proposed. The system is to operate between 21°C (surface temperature) and 6°C (water temperature at a depth of about 1 km
Question: Explain whether Mars was visible from your location at midnight on December 3, 1999. (When it is midnight at your location, the sun is on the opposite side of the earth from you.)
Question: A particle with a mass of 1.00 10-5 kg and a charge of +2.3 µC is released in a (parallel-plate) uniform horizontal electric field of 16 N/C. A. How far horizontally does the partic
The left one has a charge +3.0 nC and the right one has a charge of +5.0 nC. You must try to locate a point where the electric field is zero. What is the location of the point? how far from the left
A weightlifter curls a 35kg bar, raising it each time a distance of 0.65m. How many times must he repeat this exercise to burn off the energy in one slice of pizza? Assume 25% efficiency. Pizza=300
They have charges of +5.4 nC and -5.4 nC, respectively. What is the electric field between the plates? and what is the force exerted on the electron, is it towards the negative or positive plate?
A charged drop with a mass of 0.25 g is levitated by an electric field, directed away from the earth, of 860 N/C. what is the charge of the drop is uC?
Question: If the original electric field is 2.90*10^-4n/c and the distance is reduced to one-half the original distance, what is the magnitude of the new electric field?
What is the maximum height the blue ball reaches What is the height of the blue ball 2.0 seconds after the red ball is thrown How long after the red ball is thrown are the two balls in the air at th
Two 0.50g spheres are charged equally and placed 1.7cm apart. When released, they begin to accelerate at 130m/s^2 . What is the magnitude of the charge on each sphere?
Two small plastic spheres each have a mass of 1.9g and a charge of -52.0 nC. They are placed 3.0cm apart (center to center). A) What is the magnitude of the electric force on each sphere? B) By wha
A storm window having the same thickness of glass is installed parallel to the first window, with an air gap of 6.7 cm between the two windows. What now is the rate of energy loss if conduction is t
The force of gravity due to the earth results in the balls each having a constant downward acceleration of 9.81 m/s2 How long after the blue ball is thrown are the two balls in the air at the same h
Question: The equation for the spherical wave front of a light pulse that begins at the origin at time t=0 is (x^2)+(y^2)+(z^2)-((ct)^2)=0. Using Lorentz transformation, show that such a light puls
The length of a seconds pendulum is0.9928m at Tokyo and0.9941m at Cambridge, England. What is the ratio of the free-fall accelerations at these two locations?
How do you calculate the position of the eyering on an astronomical telescope? In other words, how do you find the position of the image of the objective formed by the eyepiece?