Which of the following best describes a capacitor?
a. two moving point charges that exert an electric force
b. two stationary point charges that create an electric field
c. two parallel metal plates that can store charge
d. two perpendicular metal plates that can store energy

How would doubling the made of an object change the objects potential energy

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.

How does an observation about an object differ from an inference about that object