A) Medir la masa de un reloj: B) Medir el volumen de un anillo:
C) Medir la masa de una limonada:
D) Medir el volumen de un jugo:

What are the phases shown in a and d called?

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline