Q4: Consider the two vectors A=(7i-7j)m, B= (-14i-5j)m. Calculate: (a) A+B (b) A-B (c) |A+B| (d) |A-B| (e) A. B​

Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.