Physics 288/489: THE PHYSICS OF MUSIC   Fall, 2004

Lecture 2 (9/9)

Wave propagation from Newton's Law (F=ma). Sound waves and similar wavelike phenomena: transverse waves on a rope, longitudinal waves on a string.  Wave velocity.  Sound as pressure wave in air, analogy with mass/spring system. 

Reading: Hall 1.3-1.5

Demonstrations:

    3B30.30   no sound in vacuum

    3B10.10-1   rope waves

    3B10.10-2   spring waves

    3A20.35   mass between two springs

    3B10.31   Jacob's Ladder

    3A60.10   Tacoma Narrows Collapse Video

Music Played:

    Dmitri Shostakovich -- Piano Concerto No. 2, 1st movement (music telling story)