It takes about 27.32 days
<span>The vertical axis represents the velocity of the object</span>
That's "displacement". It only depends on the beginning and ending locations, and doesn't care about the route between them.
The energy is 3.06 electronvolts, E = 3.06eV
1eV = 1.6 * 10^-19 J
3.06 eV = 3.06* 1.6 * 10^-19 J = 4.896 * 10^-19 J
