A ball is thrown vertically upwards. After the ball is released and is moving upwards towards its peak, it slows down. During this time, Select one
a the forces acting upon the ball are balanced.
b. none of these
c. the ball is experiencing an unbalanced force, it is directed downwards.
d there are no forces whatsoever acting upon the ball
e the ball is experiencing an unbalanced force, it is directed upwards.

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.