PHYS 101

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PHYS 101
http//bohr.winthrop.edu/faculty/mahes/link_to_web
pages/courses/phys101/phys101home.html
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About the Professor
Ponn Maheswaranathan B.S (Sri Lanka), M.S PhD
(Purdue University, Indiana). Professor of
Physics, Winthrop University. Native of Sri
Lanka, Naturalized U.S. citizen. Married
(Shyamala, Sri Lankan) and two sons (Rising
Senior at Emory and Rising Junior at Duke).
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Chapter-1Physics The Fundamental Science

• 1 The Scientific Enterprise
• 2 The Scope of Physics
• 3 The Role of Measurement and Mathematics in
  Physics
• 4 Physics and Everyday Phenomena
• How to Use the Features of This Book
• Chapter features Summary, Key Terms, Questions,
  Exercises, Synthesis problems, home experiments
  and observations.

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Can you explain the formation of a rainbow?
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The Scientific Enterprise
A scientific meeting, communication, and debate
are important to the development of scientific
explanations.
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Steps in the Scientific Method

• 1. Observation
• 2. Formulation of Rules
• 3. Development of Hypothesis, Theory
• 4. Testing of the hypothesis or theories by
  further observation

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The case of the malfunctioning coffee pot
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Physics
Physics is the study of the basic characteristics
of matter and its interactions. Physics can be
divided into classical physics and modern
physics. Classical Physics Mechanics,
Thermodynamics, Electricity and Magnetism, and
Optics. Modern Physics Atomic physics, Nuclear
Physics, Particle physics, and Condensed-Matter
physics.
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Why are measurements so important?
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Why study everyday phenomena?
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Units Metric and British
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Scientific Notation and Metric Prefixes
What is the speed of sound and light? Speed of
sound in air (at 200C) 343 m/s or 767 MPH Speed
of light 299792458 m/s Mean Earth-Sun Distance
149600000000 m. How much time it take for the
sunlight to reach earth?