It asks to give the time it takes to give the potential the doctor prescribed. I attempted to find the charge to use q=(i)(delta t) formula, but I can't seem to find the correct q or something. I also don't understand if the current changes when the potential energy changed. I tried looking at the other question on here that is similar to this problem, but even after following the steps I got it wrong. Part AIn proton beam therapy, a beam of high-energyprotons is used to kill cancerous cells in a tumor. Inone system, the beam, which consists of protonswith an energy of 2.8 × 10-11 J, has a current of84 nA. The protons in the beam mostly come to restwithin the tumor. The radiologist has ordered a totaldose corresponding to 3.4 x 103 J of energy to bedeposited in the tumor.How many protons strike the tumor each second?Express your answer as a number of protons.N = 5.3×1011 protonsSubmitPrevious AnswersCorrectPart BHow long should the beam be on in order to deliver the required dose?Express your answer with the appropriate units.μΑ?At = 40476SSubmitPrevious Answers Request AnswerX Incorrect; Try Again; 2 attempts remaining

Answered: Image /qna-images/answer/9727b7d2-55f2-4b55-9081-346928e881f4.jpg

Answered: Part A In proton beam therapy, a beam…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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It asks to give the time it takes to give the potential the doctor prescribed. I attempted to find the charge to use q=(i)(delta t) formula, but I can't seem to find the correct q or something. I also don't understand if the current changes when the potential energy changed. I tried looking at the other question on here that is similar to this problem, but even after following the steps I got it wrong.

Part A
In proton beam therapy, a beam of high-energy
protons is used to kill cancerous cells in a tumor. In
one system, the beam, which consists of protons
with an energy of 2.8 × 10-11 J, has a current of
84 nA. The protons in the beam mostly come to rest
within the tumor. The radiologist has ordered a total
dose corresponding to 3.4 x 103 J of energy to be
deposited in the tumor.
How many protons strike the tumor each second?
Express your answer as a number of protons.
N = 5.3×1011 protons
Submit
Previous Answers
Correct
Part B
How long should the beam be on in order to deliver the required dose?
Express your answer with the appropriate units.
μΑ
?
At = 40476
S
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 2 attempts remaining

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