9. An electron is accelerated from rest to speed v by an electric potential V . To what speed would the electron have accelerated if the electric potential had been 4V ? A. 4v B. 2v C. v D. v/2 E. v/4
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9. An electron is accelerated from rest to speed v by an electric potential V ....
(a) Calculate the speed of a proton that is accelerated from rest through an electric potential difference of 158 V. m/s (b) Calculate the speed of an electron that is accelerated through the same potential difference. m/s
Problem 9: An electron is accelerated from rest by an electric potential difference of 12.5V. (a) What is the electron's final speed? And what is the value of its final de Broglie wavelength? (6pts.) (a) What is the energy of a photon with the same wavelength as the electron? Give your answer in eV and joules. (6pts.)
If an electron is accelerated from rest through a potential difference of 1500 V, what speed does it reach? (e = 1.60x10^-19 C , mass electron = 9.11x 10^-31 kg) A. 1.1 x 10^7 m/s B. 1.9 x 10^7 m/s C. 1.5 x 10^7 m/s D. 2.3 x 10^7 m/s
An electron has been accelerated from rest through a potential difference of 700 V . A)What is the electron's kinetic energy, in electron volts? B)What is the electron's speed?
V-0.0 1. An electron is accelerated from rest to a final speed of 1.50 x 106. It begins at a location where the electric potential is zero. a) What is the final kinetic energy of the electron? (4) v = 1.50 x 10m's - b) What is the value of the electric potential (V) at the electron's final position? (Be sure to get the sign right.) (6) 2. a) What is the capacitance of a capacitor which stores 1.0 C...
2. An electron is accelerated from rest through a potential difference Δνι-800 V, and enters the gap between two parallel plates having a separation d-20 mm and potential difference AVF 100 V. The lower plate is at higher potential than the upper. Assume that the electron's velocity is perpendicular to the electric field vector between the plates (i) (a) Calculate the speed of the electron after it travels through the potential difference of A,-800 V. (b) Draw the electric field...
An electron is accelerated from rest through a difference of potential V. a) Show that the de Broglie wavelength, in unit of angstrom Å (10-10 m), for a non- relativistic electron accelerated through a small potential difference is: λ =12.27/(v)^1/2 b) Calculate λ if the electron is accelerated through 50 V. c) Find the de Broglie wavelength for a relativistic electron that is accelerated from rest through a large difference potential difference at a modern particle collider. d) Show that...
An electron has been accelerated from rest through a potential difference of 700 V . What is the electron's kinetic energy, in electron volts? What is the electron's kinetic energy, in joules? What is the electron's speed?
What is the final speed of a free electron accelerated from rest through a potential difference of -100 V? The mass of the electron is 9.11x10-31kg. You need to express the speed in km/s.
An electron is accelerated from rest by a potential difference of 400 V. It then enters a uniform magnetic field of magnitude 225 mT with its velocity perpendicular to the field. (a) Calculate the speed of the electron. m/s (b) Calculate the radius of its path in the magnetic field. m