Lowest Speed Nucleus for Acceleration: 9702 Physics Q40

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SUMMARY

The discussion centers on question 40 from the CIE 9702 Physics paper, focusing on the relationship between mass and speed of accelerated nuclei. Participants concluded that the heaviest nucleus does not necessarily have the lowest speed when accelerated through the same voltage. The kinetic energy gained by each nucleus, which depends on its atomic number, plays a crucial role in determining its speed. This understanding corrects the initial assumption that mass directly correlates with speed in this context.

PREREQUISITES
  • Understanding of kinetic energy and its relation to voltage in particle acceleration
  • Familiarity with atomic structure and atomic number
  • Basic knowledge of nuclear physics concepts
  • Ability to interpret physics problem statements and equations
NEXT STEPS
  • Research the relationship between kinetic energy and speed in particle physics
  • Study the principles of particle acceleration and the role of voltage
  • Learn about the effects of atomic number on particle behavior
  • Explore the concepts of force and motion in nuclear physics
USEFUL FOR

Students preparing for CIE A Level Physics exams, educators teaching nuclear physics concepts, and anyone interested in the dynamics of particle acceleration.

mutineer123
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Homework Statement



http://www.xtremepapers.com/CIE/International%20A%20And%20AS%20Level/9702%20-%20Physics/9702_s07_qp_1.pdf

question 40

Homework Equations





The Attempt at a Solution


I got D, because the heaviest should have the lowest speed. But I am wrong. dnt know why
 
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mutineer123 said:

Homework Statement



http://www.xtremepapers.com/CIE/International%20A%20And%20AS%20Level/9702%20-%20Physics/9702_s07_qp_1.pdf

question 40

Homework Equations



The Attempt at a Solution


I got D, because the heaviest should have the lowest speed. But I am wrong. dnt know why
How does the force on each nucleus compare ?
 


If they are all accelerated through the same voltage you should be able to get an expression for the kinetic energy they each gain using the atomic number then you should be able to get an expression for each speed
 

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