waves2Opt

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Waves This PowerPoint Presentation is intended for use during lessons to match the content of Waves and Our Universe - Nelson Either for initial teaching Or for summary and revision 100’s of free ppt’s from www.pptpoint.com library
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Oscillations 1. Going round in circles 2. Circular Motion Calculations 3. Circular Motion under gravity 4. Periodic Motion 5. SHM 6. Oscillations and Circular Motion 7. Experimental study of SHM 8. Energy of an oscillator 9. Mechanical Resonance
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Waves 10. Travelling waves 11. Transverse and Longitudinal waves 12. Wave speed, wavelength and frequency 13. Bending Rays 14. Superposition 15. Two-source superposition 16. Superposition of light 17. Stationary waves
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Going round in circles Speed may be constant But direction is continually changing Therefore velocity is continually changing Hence acceleration takes place
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Centripetal Acceleration Change in velocity is towards the centre Therefore the acceleration is towards the centre This is called centripetal acceleration
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Centripetal Force Acceleration is caused by
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waves2Opt - 100s of free ppts from www.pptpoint.com library...

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