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  Physics 122 – Class #5 Questions?  

Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

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Page 1: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Physics 122 – Class #5

Questions?

 

Page 2: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Announcements/reminders

MP  HW02  and  written  HW02  are  due  next Tuesday, September 9. 

Read actively the rest of Ch.20

Always  check  the  class  website  to  make  sure  of assignments and due dates.(http://www.physics.nmt.edu/~saska/phys122.html)

 I­Clickers. Starting today?

Page 3: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Physics 122 – Class #5

Last  class: we derived  the  equation  for  sinusoidal wave: 

And we started looking at a wave on a string.

Page 4: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Wave on a String 

Page 5: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Wave on a String 

Page 6: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Wave on a String 

Page 7: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Wave on a String 

Page 8: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Wave on a String 

Page 9: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Example 1A 43 meters long rope of mass 5.0 kg joins two climbers. One climber strikes the rope and 1.4 seconds later the second climber feels the effect. What is the rope tension?­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 

Page 10: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Example 1A 43 meters long rope of mass 5.0 kg joins two climbers. One climber strikes the rope and 1.4 seconds later the second climber feels the effect. What is the rope tension?­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 

Page 11: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

2­D and 3­D Waves 

Page 12: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

2­D and 3­D Waves 

Page 13: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Phase ... 

Page 14: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Example 20.4 (phase) 

Page 15: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Example 20.4 (phase) 

Page 16: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Sound Waves  

Page 17: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Electromagnetic Waves  

Page 18: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Electromagnetic Waves  

Page 19: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Example 20.8Orange light with a wavelength of 600 nm is incident upon a 1.00 mm thick glass microscope slide.a. What is the light speed in the glass?b. How many wavelengths of light are inside the slide?­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­  

Page 20: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Power  

Page 21: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Intensity  

Page 22: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Intensity  

Page 23: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Intensity  

Page 24: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Example 20.10 (Blender noise)The blender making a smoothie produces a sound intensity level of 83 dB. What is the intensity of the sound? What would the sound intensity level be if a second blender is turned on?­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­  

Page 25: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Example 20.10 (Blender noise)The blender making a smoothie produces a sound intensity level of 83 dB. What is the intensity of the sound? What would the sound intensity level be if a second blender is turned on?­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­  

Page 26: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Doppler Effect  

Page 27: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Doppler Effect  

Page 28: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

Doppler Effect  

Page 29: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 30: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 31: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 32: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 33: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 34: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 35: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 36: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 37: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 38: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave

   

 

Page 39: Physics 122 – Class #5kestrel.nmt.edu/~saska/class5-with-notes.pdfPhysics 122 – Class #5 Last class: we derived the equation for sinusoidal wave: And we started looking at a wave