How is energy transformed in a car? a car has gasoline or energy (which is a form of potential energy). when the fuel is burned it converts its potential energy to and the car moves. as the engine warms up, some of the energy is also converted into .
thermal
mechanical
chemical

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton