Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
ppk ppk
wrote...
Go to Answer
Valued Member
On Hiatus
Posts: 3561
Rep: 58 2
12 years ago
Sound vibrations with frequencies less than 20 Hz are called
A) infrasonics.
B) ultrasonics.
C) supersonics.
D) infrared.
E) megasonics.
Read 1970 times
1 Reply
Replies
Answer accepted by topic starter
bio_manbio_man
wrote...
#1
Educator
Top Poster
Posts: 33241
Rep: 3442 15
12 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  914 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 352
  
 67
  
 1372