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What branch or branches of physics is the following?

  • Thread starter saintrenz
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  • #1
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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
 
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Answers and Replies

  • #2
haruspex
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2. Ticking of the clock:
Ticking suggests to me a mechanical escapement, so not quantum physics.
Collision of two Cars
Have you ever been given a problem concerning car collisions? They're very common.
Use of Gadgets
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?
Fireworks
"Mechanics" seems a bit broad. Most involve propulsion, using what principles?
 
  • #3
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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
 
  • #4
haruspex
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7. Collision of two Cars - Kinematics
Not really. Kinematics is like geometry, but moving. It is not concerned with forces, masses etc.
9. Use of Gadgets - Quantum Mechanics
how so?
 
  • #5
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it's mechanics then.

use of gadgets maybe electromagnetism?
 
  • #6
haruspex
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use of gadgets maybe electromagnetism?
Did you understand my comment on this in post #2?
 

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