Homework Help: physics

Posted by tt on Thursday, July 8, 2010 at 6:34pm.

A particle of mass 86 g and charge 24 μC is
released from rest when it is 67 cm from a
second particle of charge −12 μC.
Determine the magnitude of the initial ac-
celeration of the 86 g particle.

physics - drwls, Thursday, July 8, 2010 at 6:47pm
a = F/m

Use Coulomb's Law for the initial force, F.

F = k*Q1*Q2/R^2

Look up the value of k. Separation distance R should be in meters.

The acceleration direction will be towards the other (negative) particle.
physics - uaph106, Monday, August 30, 2010 at 9:56pm
the answer is a positive number. the question asks for magnitude, which is never negative

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