Stan and Kenya are investigating the properties of gases in the lab. Stan has a balloon filled with helium, and Kenya has a balloon filled with hydrogen. Under which condition do the gases in the two balloons have the same kinetic energy? - same volume
- same pressure
- same temperature
- same concentration

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy