Electrons have a negative charge.
Not knowing how to convert the type of measurement according to your way of learning from where ever you come from.
<span>Well, It is the aphelion point, When the Earth is farthest away from the Sun, when the Northern Hemisphere is warm. the Earth is closest to the Sun, or at the perihelion, 2 weeks after the June Solstice, when the Northern Hemisphere is enjoying warm summer months. Well this kind of weather is very nice.</span>
Work done = force x distance
work done = 15 x 3
work done = 45J