Conceptual Physics Alive: Vibrations & Sound 2
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Conceptual Physics Alive: Vibrations & Sound 2

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Conceptual Physics Alive: Vibrations & Sound 2 includes a digital video and questions set with answers. Observe Paul Hewitt teach in a classroom with real students, using engaging demonstrations and artwork. In this video, Paul Hewitt explains reflection, refraction, and speed of sound waves. A discussion of forced vibrations and resonance culminates with exciting historical footage of the collapse of the Tacoma Narrows Bridge in 1940. Segment length: 43 minutesVibrations & Sounds 2 Includes: Hewitt begins with a chalkboard discussion of the waves generated by a bug that bobs up and down on a smooth surface of water. Doppler effect. Bow wave. Shock wave and sonic boom. Mach numbers and the speed of sound. Bullets, shock waves, and mini sonic booms. Crack of a circus whip; a mini sonic boom. Speeds of sound in air, water, and steel compared. Ultrasound and its application for medical use. Dolphins and ultrasound. The molecule-to-molecule conduction of sound. Sound propagation,

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