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029:006 (PHYS:1200:0001) The Physics of Everyday Experience

029:006 (PHYS:1200:0001) The Physics of Everyday Experience. Technology is a part of everyday life . This is evident in the common devices we use everyday  computers, smart phones, etc. Technological advances are the end result of scientific discoveries

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029:006 (PHYS:1200:0001) The Physics of Everyday Experience

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  1. 029:006 (PHYS:1200:0001)The Physics of Everyday Experience • Technology is a part of everyday life. • This is evident in the common devices we use everyday  computers, smart phones, etc. • Technological advances are the end result of scientific discoveries • In this course we will discover the scientific principles in the everyday experiences and objects around us • We will see that we can make sense of what is going on around us in terms of a few basic principles of physics

  2. PRIMARY COURSE GOALS • To learn some of the basic conceptsof physics by carefully observing some of the common occurrences in everyday life • To understand the physical concepts that makes things work • To participate in science by exploiting our natural curiosity

  3. ADDITIONAL COURSE GOALS • To exercise our critical thinking skills • To appreciate the quantitative nature of physical science  numbers matter! • To recall how to deal with simple formulas to obtain numerical solutions to problems

  4. SOME OF THE QUESTIONS THAT WILL BE EXPLORED IN THIS COURSE • Why do things move? • Does everything that goes up come down? • Why does a bicycle stay upright when its moving but falls when it stops? • Why do we wear seatbelts? • why doesn’t the moon fall into the earth or the earth fall into the Sun?

  5. Why is it tough to walk on ice? • Why does ice melt? • What is light? • What is lightning? • What makes rainbows? • How can a boat made of steel float? • Why do my socks stick to my shirts inthe clothes dryer? • Why do I get a shock after I walk acrossthe carpet room and touch a doorknob,especially in winter?

  6. Why is it a bad idea to plug all my appliances into the same outlet? • How does a compass work? • Why do magnets stick to refrigerators? • How do refrigerators work? • Why can’t I cool my room by keeping the refrigerator door opened? • What is sound? • Why do I sound funny when I breath helium?

  7. How is electricity produced? What is the difference between DC and AC? • Why doesn’t electricity leak out of the outlet? • What do airplanes and curveballs have in common? • Why do golf balls have dimples? • Why do my ears pop when I’m on a plane ? • How tall does a mirror need to be to see my entire self? • What is the Greenhouse effect; the ozone layer? • Is the climate changing? Are we causing it ?

  8. What’s the difference between heat and temperature? What is a day, month, year? Why does a year on Jupiter last 12 earth years? Are electric and hybrid cars the answer to the energy crisis? What does it take to make an atom bomb?

  9. What Physics isn’t • Art • Philosophy • Engineering • Religion • Math • Astrology • Magic • Boring and impossible to understand • Done only by mad scientists

  10. What Physics is • The study of how and why objects behave (from atoms to the whole universe) • A search for patterns or rules of behavior (principles or ‘laws’) of all the objects in the Universe.

  11. What is the relation of Physicsto the other sciences? The attempt to understand the behavior of everything is more than one discipline can handle, so various sub-fields have emerged over time: • Astronomy • Chemistry • Biology • Geology • Oceanography • Meteorology • Atmospheric science

  12. Specialization in Science Physical – inanimate objects SCIENCE Biological – living things Physics is the most basic of all the sciences

  13. Something to think about . . . • All matter, living and non-living, is composed of the same basic ingredients- atoms and molecules • At the most fundamental level, the distinction between living and non-living disappears. • Cleary, however, human behavior cannot be understood on the basis of either physical or biological science alone role of the social sciences

  14. Sociology • Psychology • Political science • Economics Social Science is the discipline that investigates the interrelationships among people

  15. Where do the laws ofphysics come from? • The laws of physics are based on observations (experimentation) • We must observe nature to understand it • We look for patterns of behavior • We quantify these patterns into mathematical statements – formulas • We continually test these “laws” to see how much they can predict • We revise the “laws” when they fail

  16. How can I do well in this course? • Download the lecture presentations • Pay attention to the demonstrations • Go over the lecture presentations • Keep up with the reading assignments • Work the assigned problems

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