What is a lot like gases but the atoms are different because they are made up of free electrons and ions of elements

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

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