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A parallel-plate capacitor has plates separated by 0.72 mm.
If the electric field between the plates has a magnitude of 2.5×105 V/m, what is the potential difference between the plates?
If the electric field between the plates has a magnitude of 3.1×104 N/C, what is the potential difference between the plates?
You took a job as a space station scientist. On a spacewalk you get separated from the station. At what speed will you move back toward the station
A 7.3×10?4V/m electric field creates a 5.0×1017electrons/s current in a 2.0-mm-diameter aluminum wire. What is the mean time between collisions for electrons in this wire
You're a marine biologist concerned with the effects of sonic booms on plankton, and you need to estimate the altitude of a supersonic aircraft flying directly over you at 1.1 times the speed of sound
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is ? = 3.00 10-7 C/m2, and the plates are separated by a distance of 2.9 10-2 m. How fast is the electron moving just bef..
A ball of mass 0.200 kg has a velocity of ; a ball of mass 0.300 kg has a velocity of . They meet in a head-on elastic collision. Proof that the collision was elastic
When a potential difference of 168 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 23.0 nC/cm2. What is the spacing between the plates
Three identical conducting spheres initially have following charges: sphere A, 5Q; sphere B, -7Q; and sphere C, 0. Spheres A and B is fixed in place, with a center-to-center separation that is much larger than the spheres.
A 3.0 m long rigid beam with a mass of 120 kg is supported at each end. An 85 kg student stands 2.0 m from support 1. Explain by how much upward force does each support exert on the beam?
A container of hot water at 50 degrees cools to 49 degrees in how many seconds when it is placed in a room that is t 20 degrees. use newton's law of cooling to find the time it will take for the container to cool from 50 degrees to 49 degrees.
Two tanks are engaged in a training exercise on level ground. The first tank fires a paint-filled training round with a muzzle speed of 237.5m/s, Find the distance between the tanks when the round was first fired
An electron with an initial speed of 4.00×105m/sis brought to rest by an electric field, What was the initial kinetic energy of the electron, in electron volts
Laser light is shown through a diffraction grating with a line density of 880 lines per mm. What is the wavelength of the laser
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