Support Us

If you found our community helpful, your small donation will help us reach more students around the globe. You may also like us on Facebook or follow us on Twitter.
New Topic  
ppk
wrote...
*
*
Posts:
3562
Credits:
4971
3 years ago
Sound vibrations with frequencies less than 20 Hz are called
A) infrasonics.
B) ultrasonics.
C) supersonics.
D) infrared.
E) megasonics.
  • Read 1558 times
  • 1 Reply
replies
solved
wrote...
*
Posts: 17610
Credits: 4978
3 years ago
To view this post and more
You'll need to login or register
A
✓ Don't be mean, we need followers on Twitter too! Small Smiley
New Topic      
This topic is currently locked from adding new posts. Only administrators and moderators can reply. If you'd like to contribute to this topic, start a new thread and make reference to this one. Otherwise, contact a moderator for more options.

Control Panel

Click to ask a question. 253 Students and 11 members are standing by to answer all your homework problems, free.
Dictionary
Search Images
Related Images
Views
4848
Rating

Views
2667
Rating

Views
3878
Rating