Читать книгу Flight Theory and Aerodynamics - Joseph R. Badick - Страница 21
Scalar Addition
ОглавлениеScalar quantities can be added (or subtracted) by simple arithmetic. For example, if you have 5 gallons of gas in your car’s tank and you stop at a gas station and top off your tank with 9 gallons more, your tank now holds 14 gallons.