What is the voltage across the capacitor

Assignment Help Physics
Reference no: EM13664470

Two 2.0-cm-diameter disks spaced 2.0 mm apart from a parallel-plate capacitor. The electric field between the disks is 5.0 x 10^5 V/m.

a) What is the voltage across the capacitor?

b) How much charge is on each disk?

c) An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.0 x 10^7 m/s. What was the electron's speed as it left the negative plate?

Reference no: EM13664470

Questions Cloud

Electromagnetic wave utilizing with the radar system : Radar is utilized to scan for airplanes near an airport. If an airplane is 13 km from the airport, what is the round-trip travel time for the electromagnetic wave utilizing with the radar system?
What is the centripetal force : A ball have a mass of 0.05 Kg, it's attached to a string of a 1.5m. We make it turn in a circular way with a velocity of 8.0 m/s at the end of the string. What is the centripetal force?
Temperature of the soda and watermelon in degrees celsius : An ice chest at a beach party contains 12 cans of soda at 2.41°C. Each can of soda has a mass of 0.35 kg and a specific heat capacity of 3800 J/(kg C°). Someone adds a 9.97-kg water melon at 23.5 °C to the chest.
Gallon tank when the temperature rises : Suppose that the steel gas tank in your car is completely filled when the temperature is 11.7 °C. How many gallons will spill out of the 20.0- gallon tank when the temperature rises to 36.5 °C?
What is the voltage across the capacitor : Two 2.0-cm-diameter disks spaced 2.0 mm apart from a parallel-plate capacitor. The electric field between the disks is 5.0 x 10^5 V/m. What is the voltage across the capacitor? How much charge is on each disk?
Small light fixture is on the bottom of a swimming pool : A small light fixture is on the bottom of a swimming pool, 0.75 m below the surface. The light emerging from the water forms a circle on the still water surface. What is the diameter of this circle?
What rate is heat being expelled by the engine : A certain automobile engine is performing work at the rate of29400 W (39 hp) by an efficiency of 22%. At what rate is heat being expelled by the engine?
Unpolarized light in vacuum is incident onto sheet of glass : Unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The reflected and refracted rays are perpendicular to each other. Find the angle of incidence. This angle is called Brewster's angle or the polarizing gangly.
What is the frequency of the eardrums vibration : When responding to sound, the human eardrum vibrates about its equilibrium position. Assume an eardrum is vibrating with an amplitude of 6.15*10-7 m and a maximum speed of 2.67*10-3 m/s. What is the frequency (in Hz) of the eardrum's vibration?

Reviews

Write a Review

Physics Questions & Answers

  What is the number of moles in the sample of gas

A sample of an ideal gas has a volume of 0.0100 m3, a pressure of 100 103 Pa, and a temperature of 300 K. What is the number of moles in the sample of gas

  How far from the post will the arrow and apple fall

A 60.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, correspondingly. What horizontal pushing force is required to (i) just start the crate moving and (ii) slide the crate ..

  Estimate the wavelength of the light

A double-slit apparatus consists of two of slits separated by 0.25 mm with a screen 5.0 cm away. Calculate the wavelength of the light

  Find where is the object relative to its image

An object of length 3.00 cm is inside a plastic block with index of refraction 1.40. find where is the object relative to its image

  What is the magnitude of gravitational and electrical force

Atomic physicists usually ignore the effect of gravity within an atom. To see why, we may calculate and compare the magnitude of the ratio of the electrical force and gravitational force, Fe/ Fg, between an electron and a proton separated by a dis..

  Find the distance between the slits and the screen

A double-slit experiment using light of wavelength 580.nm produces an interference pattern on a screen. The slit separation is 1.39?10?2mm. find the distance between the slits and the screen

  What position is the third bead in equilibrium?

Two small beads having positive charges 3q and q are fixed at the opposite ends of a horizontal insulating rod, extending from theorigin (the location of the larger charge) to the point x= d.

  Find the mass of this volume of water in kilograms and grams

A rectangular container measuring 32 cm 39 cm 62 cm is filled with water. What is the mass of this volume of water in kilograms and grams

  Find the radius of the wheel

During 0.27 s, a wheel rotates through an angle of 2.20 rad as a point on the periphery of the wheel moves with a constant speed of 2.69 m/s

  Determine what is the total work done on the crate

To push a 24 kg crate up a frictionless incline, angled at 19° to the horizontal, a worker exerts a force of 99.5 N, What is the total work done on the crate

  Illustrate what is the angle required for equilibrium

If both ropes BCA and CD can support a maximum tensile force = 160 , what is the maximum weight of the crate that the system can support? Illustrate what is the angle required for equilibrium

  Find the wavelength of the photon created in the process

If an electron makes a transition from the n = 6 Bohr orbit to the n = 2 orbit, determine the wavelength of the photon created in the process

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd