jojo945
jojo945
25-05-2016
Physics
contestada
help!!! I don't know this answer.
Respuesta :
AL2006
AL2006
25-05-2016
Work =
(force on the electron)
times
(distance the electron is moved)
.
Can you calculate the force on the electron ?
Sure ! It's pushing against a force of 180 Newtons per Coulomb,
and you know the charge on it.
Do you know the distance it's moved ?
Sure ! That's the 2.5 cm (=0.025 meter) between the plates.
Look at this:
Work = (force) x (distance)
= (180 N/C) x (1.602 x 10⁻¹⁹ C) x (0.025 m)
I get 7.209 x 10⁻¹⁹ N-m. (joules) Try it and see if you agree.
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