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Lorentz force part 1

  • Thread starter imy786
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  • #1
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Homework Statement



The motion of a charged particle P, observed in an inertial frame S. It is found that P moves with constant velocity v through a region of space where there is a uniform electric field E and a uniform magnetic field B. The speed v = |v|and the field magnitudes E = |E| and B = |B| are all non-vanishing.

Use the Lorentz force law to express E in terms of v and B.

Homework Equations



Lorentz force formular-

F=q(E+v*B)

The Attempt at a Solution



F=q(E+v*B)

F/q = E+ v*B

F/q - (V*B) = E
 

Answers and Replies

  • #2
marcusl
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The charged particle is moving at constant velocity. What does that tell you about the force?
 
  • #3
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constant velocity= no accelration , therfore no force

F/q - (V*B) = E

E= -v * B
 
  • #4
marcusl
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You got it!
 
  • #5
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anyone else can confirm if my answer is correct
 
  • #6
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looks okay.
 
  • #7
marcusl
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You don't trust me, imy786?
 
  • #8
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Its correct.
 
  • #9
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its that i dont trust u.....anyone can say its correct...without any justification...

and as you havnt got a homework helper badge.....its harder to belie...

it doesnt mean i dont belive u..

thanks for your help
 
  • #10
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He justified it. If it makes sense to you, then that should be enough to at least turn it in.
 
  • #11
marcusl
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No worries.

Thanks for the backup, StatMechGuy...
 
Last edited:

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