A ton of TNT - a unit of measurement of energy equal to 4.184 ? 10 9 J, or September 10 thermochemical calories ; It is defined as the amount of energy released in the detonation of 1 tonne of trinitrotoluene .
Foot - A unit of measurement of energy or work, which is equal to the work of one pound severity against gravity through a vertical distance of one foot.
Electronvolts EV, eV - is off-system unit for measuring the energy used in atomic and nuclear physics, elementary particle physics, and in close and related areas of science (biophysics, physical chemistry, astrophysics, and so on.