A drum rotates around its central axis at an angular velocity of 18.9 rad/s. If the drum then slows at a constant rate of 3.73 rad/s2, (a) how much time does it take and (b) through what angle does it rotate in coming to rest?

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

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?

Which is the most accurate name for the covalent compound p2o3?