A proton is on the x axis at x = 1.2 nm . An electron is on the y axis at y = 0.80 nm . Part A Find the net force the two exert on a helium nucleus (charge +2e) at the origin.

The net force on the helium nucleus at the origin is equal to

Explanation:

Here let the force exerted by the proton be and force exerted by electron be .

⇒The net force becomes

Now lets calculate and

F = ; where for r= and for r=

 upon calculating we get = and =

⇒F =

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explanation:

more than, less

less than, more