When you get to the question about the Doppler Effect (#9, I think), it has been brought to my attention that I left out the temperature so you don’t know the speed of sound in air. Just assume that it is 25 degrees Celsius for this problem. Sorry about that! Let me know if there are any other questions by posting a comment here, by email, or if you want me to meet you in the morning, please let me know tonight!
Side note: When you get done with your test, Discover Magazine has a website devoted to pictures of science tatoos. Check it out!
Mrs. Berger's Chemistry and Physics Blog 