Simple Harmonic Motion

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Presentation transcript:

Simple Harmonic Motion If the period of a 50.0 cm pendulum is 1.25 s on the Amazon planet, do these girls weigh more or less when they are on earth? They will weigh less on earth – we hope!

Wave Terminology How do wave 1 and wave 2 compare with regards to the following: Wavelength Amplitude Energy They have the same wavelength Wave 1 has 2 x the amplitude of wave 2 Wave 1 has 4 x the energy of wave 2 What is the approximate phase angle of: Point A Point B 315o 135o What is the main difference between EMR and mechanical waves? EMR does not require a medium

Wave Terminology Which of waves a and b has greater: Frequency Wavelength Amplitude B A same When a transverse wave horizontally through a medium, how do the medium particles vibrate? Vertically What are the names of the two parts of a longitudinal wave? Compression and rarefaction Return to day 2