We discuss systems in equilibrium and introduce the frictional force.

Friction

This is an enhanced audio podcast of  Dr. Beyersdorf's Physics 50 lectures at San Jose State University.  Episodes are recorded on Monday and Wednesday afternoons during the fall 2008 semester.

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Review of Chapters 1-8

Review of chapters 13-16

We look at wave effects for sound including interference and beat notes and the doppler shift caused by a moving listener or source.

Doppler Shift and Interference

We continue to look at mechanical waves, focusing on sound and hearing, specifically the decibel units for sound level.

Sound and Hearing

We introduce waves by considering solutions to the wave equations for propagation along a string.  We introduce the concepts of superposition and standing waves.

Friction

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