At a certain temperature, the average speed of O2 molecules is 480 m/s. If the Kelvin temperature is doubled, what is the average speed of O2 molecules

object 2 because all the other ones are wrong

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.