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19 Vibrations & Waves

Explore the concepts of vibrations and waves in this homework assignment covering Simple Pendulum principles, speed calculations, and types of waves (Transverse and Longitudinal). Watch videos on shock waves, Doppler effect, and more for a comprehensive understanding.

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19 Vibrations & Waves

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  1. 19 Vibrations & Waves • Homework: • RQs: 2, 11, 12, 13, 16, 18. Problem 1.

  2. Simple Pendulum • T = period • f = frequency • f = 1/T • L = length • M = mass • L x 4  T x 2 • T mass independent

  3. Waves • moving vibrations • Speed = frequency x length • Speed same as frequency & length change, e.g. sound

  4. Types of Waves • Transverse Longitudinal(elastic, light) (elastic, sound) • Video on slinky

  5. Bow & shock waves • Speed (boat, plane) exceeds wave speed • Angle change with speed • Video of shock waves – wiki • Video bullwhip

  6. doppler effect • Pitch change due to motion • Increase on approach • Decrease with separation

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