Jump to content
Sign in to follow this  
  • entries
  • comments
  • views

Hannah's Voice of an Angel



For those you that don't know, Hannah O'Neil has an amazing singing voice. Before every home game, she sings the national anthem, and it makes me so happy and gets me ready to play. Because of sounds waves, I am lucky enough to hear her. Sound waves are mechanical waves that are detected by the hairs in our inner ears. Sound waves can travel through air, water, steel and wood. But I like when Hannah is standing directly near me singing to me. However, if I am not lucky enough to have her standing right next to me, I can still hear her from a distance apart even if I cant see her. Therefore, we can use the equation, v= distance/ time to determine how far away Hannah is from me. In STP, sound moves at 331m/s and if it takes me .25 second to hear her voice from the moment she begins singing, I can determine how far away from me she is from me. By rearranging the equation to, distance = velocity X time, (331m/s)(.25s) Hannah is about 83 meters from me. Although not an ideal situation, but her beautiful voice allows me to hear her even when far away!


Recommended Comments

There are no comments to display.

Add a comment...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Terms of Use

The pages of APlusPhysics.com, Physics in Action podcasts, and other online media at this site are made available as a service to physics students, instructors, and others. Their use is encouraged and is free of charge. Teachers who wish to use materials either in a classroom demonstration format or as part of an interactive activity/lesson are granted permission (and encouraged) to do so. Linking to information on this site is allowed and encouraged, but content from APlusPhysics may not be made available elsewhere on the Internet without the author's written permission.

Copyright Notice

APlusPhysics.com, Silly Beagle Productions and Physics In Action materials are copyright protected and the author restricts their use to online usage through a live internet connection. Any downloading of files to other storage devices (hard drives, web servers, school servers, CDs, etc.) with the exception of Physics In Action podcast episodes is prohibited. The use of images, text and animations in other projects (including non-profit endeavors) is also prohibited. Requests for permission to use such material on other projects may be submitted in writing to info@aplusphysics.com. Licensing of the content of APlusPhysics.com for other uses may be considered in the future.

  • Create New...