Ok. So I have spent about 40 mins on this question, and can't seem to get it. I know how to conserve momentum when an object hits another at rest, using the cosine and sine laws. but this question involves two objects both moving at different angles. We'll, here it is, if anyone can help:
Two...
why does the sound in a glass chnage as your fill it up with water?
Hey everyone, does anyone know why the sound changes in a glass as you fill it up with water? I think it has something to do with resonance
Standing Wave/ Resonanace problem PLEASE HELP!
Ok. I've tried to answer this problem so many times now, but I just can't get it. Here it is:
A child's toy called a twirler, consists of a tube (like a hose, which is spun
in a circle above one's head. It is noted that at certain rates of...