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neha123

two charges q and 2q having masses m and 2m they are allowed to move in uniform electric field at same time. find ratio of their kinetic energies

  • one year ago
  • one year ago

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  1. Mashy
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    do you know how to find the force acting on a charge when place in an electric field?

    • one year ago
  2. mahmit2012
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    |dw:1354802715294:dw|

    • one year ago
  3. gurvinder
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    F=qE ma=qE a=qE/m for q1 charge starts with at rest u=0 v1=u+at v1=0+(q1E/m1)t v1=(q1E/m1)t simirarly, for charge q2 v2=(q2E/m2)t according to the quation. K1/K2=1/2

    • one year ago
  4. gurvinder
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    @mahmit2012 i think ur answer is wrong........

    • one year ago
  5. mahmit2012
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    no take a look both are the same!! I've just found K2/K1 !!!

    • one year ago
  6. gurvinder
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    ya @mahmit2012 ....u r right

    • one year ago
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