Go Back   Physics Help Forum > College/University Physics Help > Advanced Waves and Sound

Advanced Waves and Sound Advanced Waves and Sound Physics Help Forum

LinkBack Thread Tools Display Modes
Old Jul 2nd 2015, 07:33 AM   #1
kelsiu's Avatar
Join Date: Jun 2014
Posts: 67
Reflected wave from free end

A wave pulse on a string moving from left to right towards a free end will reflect and propagates from right to left with the same speed and amplitude as the incident wave, and with the same polarity.

My question is, why the slope and the vertical force must be zero at the free end? If the restoring force is zero why the free end can move? Some textbooks explain by imaging a wave with same polarity traveling in opposite direction but I think it's just an analogy and the phenomenon is better be explained by force interaction.

Some ref:
p. 489 University Physics
https://books.google.com.hk/books?i...QWssoDgAw&ved=0CCQQ6AEwAQ#v=onepage&q&f= false

kelsiu is offline   Reply With Quote

  Physics Help Forum > College/University Physics Help > Advanced Waves and Sound

end, free, mechanical wave, reflected, wave, wave disturbance

Thread Tools
Display Modes

Similar Physics Forum Discussions
Thread Thread Starter Forum Replies Last Post
Wave experiment - origin of a wave based on 3 points helpnkids Waves and Sound 1 Mar 31st 2015 01:55 PM
Apparent frequency of reflected wave ling233 Waves and Sound 0 Aug 3rd 2014 09:46 AM
How to proof the reflected wave of a Plane Wave is a Plane Wave? yungman Advanced Waves and Sound 0 May 30th 2013 10:05 PM
Find the reflected and transmitted electric and magnetic field & power in these waves reverseswing Advanced Waves and Sound 0 Jun 19th 2009 02:06 AM
Reflected light and color lightwaved Light and Optics 5 Jun 4th 2009 11:45 PM

Facebook Twitter Google+ RSS Feed