Which state(s) of matter is/are made up of atoms and molecules that have a comparatively high amount of kinetic energy, which allows the particles to break the attractive forces between them? a. gas only b. solid only c. liquid only d. gas and liquid only

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?