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1. A charge of -5.40 oC is located on the x axis at x = 2.40 cm. A charge of -5.40 oC is located on the x axis at x = -2.40 cm. Find the electric field on the y axis at y = 6.50 cm. Give only the magnitude of the field. Find the force on a 1.43 nC charge on the y axis at y = 6.50 cm. Give only the magnitude of the force.
2. An electron (mass m = 9.11E-31 kg) is accelerated in the uniform field E (E = 1.78E+4 N/C) between two parallel charged plates. The separation of the plates is 1.40 cm. The electron is accelerated from rest near the negative plate and passes through a tiny hole in the positive plate, as seen in the figure below. Show that the gravitational force can be ignored by calculating the ratio of the gravitational to the electric force. Calculate that ratio.
3. Two large parallel copper plates are 15.00 cm apart and have a uniform electric field between them. An electron is released from the negative plate at the same time that a proton is released from the positive plate. Neglect the force of the particles on each other and find their distance from the positive plate when they pass each other.
at a junction in an a-c circuit a single current divides into two seperate currents I1=10,, I2=5, where I1 lags I2 by 30, use comlex numbers to represent currents.
A solenoid 1.30 m long and 2.70 cm in diameter carries a current of 12.0 A. The magnetic field inside the solenoid is 15.0 mT. Find the length of the wire forming the solenoid
A parallel-plate capacitor has square plates that are 9.00cm on each side and 3.30mm apart. how much electrical energy is stored in the capacitor
Two metal spheres of different sizes are charged such that the electric potential is the same at the surface of each. Sphere A has a radius 7 times that of sphere B. Let and be the charges on the two spheres, and let and be the electric-field magnitu..
You somehow manage to get a gold ring with inner diameter 2.19 cm stuck on your finger, even though your knuckle has a diameter of 2.2 cm. To what temperature would you have to heat the ring
A cart with mass 330 g moving on a frictionless linear air track at an initial speed of 2.1 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction ..
If the pressure of the 1.2-cm3 volume is reduced to 3.0 × 10?11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
Two point charges q' and -q' are on the x axis by coordinates a and -a , respectively. Discover a total force of a point charge q located at an arbitrary point in the xy plane.
A 243-g ball falls vertically downward, hitting the floor with a speed of 2.48 m/s, Calculate the magnitude of the change in the ball's momentum
We know light speed (average) gets slow while in transparent materials like glass and water. And fraction of it gets absorbed as a heat (K.E. of molecules of glass). But my question is that How it can then leaving glass slab or any glass material ..
Two 7.0kg bowling balls, each with a radius of 0.17m, are in contact with one another. What is the gravitational attraction between the bowling balls
Discover the speeds with which Mercury and Saturn move around the sun. Does it make sense that Mercury is named after a speedy messenger of the gods, whereas Saturn is named after the father of Jupiter?
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