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What branch or branches of physics is the following?

  1. Jan 7, 2015 #1
    Prof said that it may be more than one branches that includes the following. and I'm having a hard time knowing the difference of branches to sub branches.

    Please make sure i got the right answer/s.
    1. Fusion: Nuclear physics
    2. Ticking of the clock: Quantum Physics,
    Classical Mechanics
    3. Tsunami: Thermodynamics, Geophysics
    4. Heavenly Bodies: Astrophysics, Cosmology
    5. Refraction of Light: Optics
    6. Flowing of Water: Fluid Mechanics
    7. Collision of two Cars
    8. Sub Atomic Particles - Particle physics, Quantum Mechanics
    9. Use of Gadgets - Engineering Physics
    10. Fireworks - Mechanics
     
    Last edited by a moderator: Jan 7, 2015
  2. jcsd
  3. Jan 7, 2015 #2

    haruspex

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    Ticking suggests to me a mechanical escapement, so not quantum physics.
    Have you ever been given a problem concerning car collisions? They're very common.
    A bit vague this one. It says Use of, not Design of, so maybe involving human factors. Can you think of any branches that are concerned with those?
    "Mechanics" seems a bit broad. Most involve propulsion, using what principles?
     
  4. Jan 8, 2015 #3
    Thank You for the response, I already made some changes. Please check :)

    1. Fusion: Nuclear physics
    2. Ticking of the clock: Classical Mechanics
    3. Tsunami: Thermodynamics, Geophysics
    4. Heavenly Bodies: Astrophysics, Cosmology
    5. Refraction of Light: Optics
    6. Flowing of Water: Fluid Mechanics
    7. Collision of two Cars - Kinematics
    8. Sub Atomic Particles - Particle physics, Quantum Mechanics
    9. Use of Gadgets - Quantum Mechanics
    10. Fireworks - Thermodynamics
     
  5. Jan 8, 2015 #4

    haruspex

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    Not really. Kinematics is like geometry, but moving. It is not concerned with forces, masses etc.
    how so?
     
  6. Jan 8, 2015 #5
    it's mechanics then.

    use of gadgets maybe electromagnetism?
     
  7. Jan 8, 2015 #6

    haruspex

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    Did you understand my comment on this in post #2?
     
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