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A level physics question electrical potential

I'm stuck on this question any help would be much appreciated. The answer is +2.4x10^-4.
The electric potential is –1.2 x10–4 J C–1 at a point 1.2 x 10–5 m from an isolated electron.
An α-particle 42 He passes through this point.
What is the magnitude of the electric potential at the mid-point between the α-particle and the
electron at this instant?
Sorry you've not had any responses about this. :frown: Are you sure you've posted in the right place? :smile: Here's a link to our subject forum which should help get you more responses if you post there. :redface:


Just quoting in Danny Dorito so she can move the thread if needed :wizard:

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Reply 2
Original post by 10jmur
I'm stuck on this question any help would be much appreciated. The answer is +2.4x10^-4.
The electric potential is –1.2 x10–4 J C–1 at a point 1.2 x 10–5 m from an isolated electron.
An α-particle 42 He passes through this point.
What is the magnitude of the electric potential at the mid-point between the α-particle and the
electron at this instant?


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