physics

Two charged particles in an accelerator are at rest until an electric field causes them to accelerate away from each other when the field switched is turned on, particle a accelerates to the left at 8.97e+07 m/s2 while particle B accelerates to the right at 7.78e+08 they start moving at the same time. Some time after the field is switched on, the particles will be 135 m apart.

asked by Becka
  1. I don't see a question here. Do they want to now when the particles are that far apart?

    The distance the two particles are apart is (1/2)(a1 + a2)t^2, since they go in opposite directions, if you use positive values for both a1 and a2.

    posted by drwls
  2. sorry,
    How long after the field is switched on are the particles 135 m apart?

    B. How far has each particle moved in this time?

    C. How fast is each particle moving at this time?

    should i still use that formula

    posted by Becka

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