Ball a, with a mass of 10kg, is moving to the right at 20 m/s. ball b is moving to the left at 20 m/s. upon collision, ball b comes to a standstill, and ball a moves to the left at twice its original speed. what is the mass of ball b? show your work

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.