It would depend on what you're talking about.
If you are refering to the subject, it would be 'physics'.
But if you are refering to something that is tangible, then it would be 'physical'.
<span>[Yo] jugué al fútbol con mis amigos (jugar) = I played football with my friends.
[Yo] compré un ordenador nuevo (comprar) = I bought a new computer.
[Yo] estuve con mi abuela (estar) = I was with my grandmother.
[Yo] bailé en la discoteca (bailar) = I danced in the disco.
[Yo] pinté un cuadro (pintar) = I painted a picture.</span><span>ez :P</span>
C- none,se..... Estoy lavando --------- el coche mientras mi hermana esta duchando se. It would be estoy lavando mi coche but that is not an option.