Answer:
A(many people think that no energy or matter exists outside the universe)
Explanation:
Answer: Solar Photovoltaic (PV) cells generate electricity by absorbing sunlight and using that light energy to create an electrical current. There are many PV cells within a single solar panel, and the current created by all of the cells together adds up to enough electricity to help power your school, home and businesses.
<em>--Cited from </em><u><em>Solar Schools</em></u>
Charge= Protons- electrons
Charge= 35p-37e= -2
This Ion will have a charge of -2<span>. </span>
Using
KE = ½mv² = ½×1500×19×19 = 270750 joules
