Electric field - multiple choice - Physics Unit 4 Specimen

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SUMMARY

The discussion centers on a multiple-choice question regarding electric fields in Physics Unit 4, specifically focusing on the relationship between charge-to-mass (q/m) ratios and acceleration in an electric field. The correct answer identified is B, which is confirmed by the fact that both objects possess the same q/m ratio. Participants are encouraged to derive the accelerations mathematically for varying electric field strengths, starting from a stationary position when the electric field is Eo.

PREREQUISITES
  • Understanding of electric fields and forces
  • Familiarity with charge-to-mass ratio (q/m)
  • Basic knowledge of Newton's second law of motion
  • Ability to perform mathematical derivations involving electric fields
NEXT STEPS
  • Explore the concept of electric field strength (E) and its effects on charged particles
  • Learn how to calculate acceleration in electric fields using F = ma
  • Investigate the implications of varying charge-to-mass ratios on particle motion
  • Study the principles of motion in uniform electric fields
USEFUL FOR

Students studying physics, particularly those preparing for exams in electromagnetism and electric fields, as well as educators seeking to clarify concepts related to charge and motion in electric fields.

jsmith613
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Homework Statement


see attached file

Homework Equations



The Attempt at a Solution


ok so I get that the answer is B
but is it because they have the same q/m ratio?
 

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jsmith613 said:
ok so I get that the answer is B
but is it because they have the same q/m ratio?

Essentially, yes.

You should be able to work out mathematically what the accelerations are for an equal variation in the electric field (say, E = k*Eo) given that when the field is Eo they are both motionless. Hint: find the charge on each in terms of Eo and mass.
 

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