The gas in a cylinder has a volume of 7 liters at a pressure of 107kpa. the pressure of the gas is increased to 208kpa. assuming the temperature remains constant, what would the new volume be?

Can someone me with 3 and 4 plz. this is for masteries test.

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

Wind and moving water provide energy. chemical mechanical thermal none of the above