Question

Please just check my answers? I answered all of them but I just want a second opinion before I turn them in. (Will give medal & fan for the help)

1. Which of the following parts of a sound wave corresponds to a crest in a transverse wave?
A. peak
B. compression <-----
C. rarefaction
D. trough

2. Which of the following conditions will produce a sound wave?
A. book resting on a table
B. meteor moving through space
C. tuning fork when struck <------
D. tuning fork at rest

Answer 1

Posting the rest in the comments

Answer 2

3. A sound wave passes through three identical containers, each filled with one of three substances. In which one will sound travel fastest?
A. container of helium
B. container of alcohol
C. container of solid iron <------
D. all will pass at same speed

4. A sound wave traveling at 343 m/s takes 10.0 s to go from a speaker to a detector. How far apart are the two devices?
A. 3.43 * 10^-1 m
B. 3.43 * 10^2 m
C. 3.43 * 10^3 m <------
D. 3.43 * 10^4 m

5. What is the least dense part of a sound wave?
A. peak
B. rarefaction <------
C. trough
D. compression

6. How does a guitar string make a sound wave?
A. striking the string compresses the air around it to create a sound wave
B. the vibrating string alternately compresses and rarefies the air to make sound <------
C. the string strikes the wood of the guitar, which vibrates to make sound
D. the string moves air through the hole in the guitar to make sound

Answer 3

@mathmale ?

Answer 4

@ganeshie8 ?

Answer 5

@Loser66 ?

Answer 6

@surjithayer ?

Answer 7

For 6 I chose B. That arrow is misplaced

Answer 8

@kropot72 ?

Answer 9

wat grade u in?

Answer 10

12th, I'm a senior

Answer 11

@wio ?

Answer 12

@Zale101 ?

Answer 13

Wow seriously it's not even like I'm asking anybody to GIVE me answers I'm simply asking for somebody to check my answers that I already got...

Answer 14

@zepdrix ?

Answer 15

@Luigi0210

Answer 16

@zzr0ck3r

Answer 17

@nincompoop

Answer 18

F**k it, turning them in. I don't have time for this. Thanks guys, super helpful.

Answer 19

srry. my damn butchy mama called me outside

Answer 20

your answers are all right just checked them all :) hope you get an A on the assignment!