The lightbulb, the fire, and the Sun all create light from some energy source.
The Moon doesn't create light. The parts of it that the Sun shines on
are visible, the parts of it that the Sun doesn't shine on are not visible.
Just like a rock on the ground at night, the Moon must be illuminated
by a flashlight in order to be seen. The Sun is the flashlight.
V^2 = 700J/0.5*35kg
V = square root of 40
v = 6.324 m/s
Both believe that an atom contains negative charges and positive charges.
But both were different in the placement of charges
