If i was 7 then i turned 6 what would I be? would i be backwards broken or not smart

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field