COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 16, Problem 82QAP
To determine
(a)
The acceleration of proton.
To determine
(b)
The distance travelled by proton.
To determine
(c)
Whether the effect of gravity can be neglected.
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Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to
collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.80 m long and must accelerate protons from rest to a
speed of 2.00 × 10' m/s. Ignore any relativistic effects and determine the magnitude of the average electric field that could accelerate
these protons. Mass of proton is 1.673 x 10-27 kg and charge of proton is 1.602 × 10-19
C.
N/C
An electron is traveling through a uniform electric field. The
field is constant and given by
Part A
E = (2.00 x 10-11N/C) î – (1.20 × 10-11 N/C) j.
At t = 0, the electron is at the origin and traveling in the x
direction with a speed of 2.80 m/s.
What is its position 1.00 s later?
ΑΣφ
?
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Part B
ΑΣφ
Y =
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An electron is traveling at (the given speed below) when it enters an electric field that slows it. The field has a magnitude of 6200N/C. How far does the electron penetrate the field before it stops?v=1.8x10^6 m/s
Chapter 16 Solutions
COLLEGE PHYSICS
Ch. 16 - Prob. 1QAPCh. 16 - Prob. 2QAPCh. 16 - Prob. 3QAPCh. 16 - Prob. 4QAPCh. 16 - Prob. 5QAPCh. 16 - Prob. 6QAPCh. 16 - Prob. 7QAPCh. 16 - Prob. 8QAPCh. 16 - Prob. 9QAPCh. 16 - Prob. 10QAP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- (a) Find the magnitude and direction of the electric field at the position of the 2.00 C charge in Figure P13.13. (b) How would the electric field at that point be affected if the charge there were doubled? Would the magnitude of the electric force be affected?arrow_forwardWhat is the magnitude of the electric field due to a charged particle at its exact location (r = 0)?arrow_forwardAn electron and a proton, each starting from rest, are accelerated by the same uniform electric field of 200 N/C. Determine the distance and time for each particle to acquire a kinetic energy of 3.21016 J.arrow_forward
- A double charged ion is accelerated to an energy of 32.0 keV by the electric field between two parallel conducting plates separated by 2.00 cm. What is the electric field strength between the plates?arrow_forwardA thin conducing plate 2.0 m on a side is given a total charge of 10.0C . (a) What is the electric field 1.0 cm above the plate? (b) What is the force on an electron at this point? (c) Repeat these calculations for a point 2.0 cm above the plate. (d) When the electron moves from 1.0 to 2.0 cm above the plate, how much work is done on it by the electric field?arrow_forwardA proton is fired from very far away directly at a fixed particle with charge q = 1.28 1018 C. If the initial speed of the proton is 2.4 105 m/s, what is its distance of closest approach to the fixed particle? The mass of a proton is 1.67 1027 kg.arrow_forward
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- A proton accelerates from rest in a uniform electric field of 650 N/C. At one later moment, its speed is 1.10 Mm/s (nonrelativistic because v is much less than the speed of light). (a) Find the acceleration of the proton.m/s2(b) Over what time interval does the proton reach this speed?s(c) How far does it move in this time interval?m(d) What is its kinetic energy at the end of this interval?Jarrow_forwardAn electron with speed v0 = 3388829.6m/s travels parallel to and along the same direction as an electric field of magnitude E = 3154N/C. (a) How far will the electron travel before it stops? Answer in SI units and multiply your answer by 10^2. (b) How much time will elapse before it returns to its starting point? Answer in SI units and multiply your answer by 10^8.arrow_forwardanswer both a and b..no handwrittten An electron enters a region of uniform electric field with an initial velocity of 58 km/s in the same direction as the electric field, which has magnitude E = 52 N/C, (a) what is the speed of the electron 1.3 ns after entering this region? (b) How far does the electron travel during the 1.3 ns interval?arrow_forward
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