# Physics equations

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 Author: Anonymous ID: 235177 Filename: Physics equations Updated: 2013-09-16 17:16:49 Tags: Physics equations Folders: Description: Physics equations Show Answers:

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• 1: 1.4
• 2: 1.7
• 3: .86
• 4: .5
• 5: .5
• 6: .87
1. Define Newton's Laws
• 1: Law of Inertia
• 2: F=ma
• 3: equal and opposite forces in equillibrium
2. Equations: 5 Kinematic
3. Equations: Gravity
4. Equations for Inclined Plane
5. Equations: Circular Motion
,
6. Equations: Friction

7. Equations: Hooke's Law
8. Equations: Center of Mass/Gravity
•  (insert w for m (mg))
9. Equations: Torq and Energy
•  when theta=90, T=Fd
10. Equations: Work and Power

11. Equations: Momentum and Impulse (special info)
• Constant and vector
• Elastic collision use conservation energy
• Inelastic collisions, use conservation momentum
12. Equations: Rest Mass Energy
13. Density of Water and General fluid pressure equations
•

14. Equations: Fluids at Rest

15. Equations:Fluids in Motion

16. Equations: Solids
Define: Stress, Strain
Stress: Pressure () , Strain: Change (

(FLEA and FLAG
17. Equations: Waves
• 2 big rules: Medium and wavelength dictate Speed; Frequency does not change between medium transitions (unless light)
18. Equations: Sound
,  (increases with A^2 and F^2) ,

• approaching F>, Receding F<
19. Equations:  Harmonic Wave Length
• Standing wave closed ends (n=odd)
• Standing wave open ends   (n=all)
• , index of refraction (n)
• E= energy of a photon h is Plank's constant
•  light bends toward normal
21. Equations: Mirror and Lenses

• *o=object distance, f=focal length, i=image distance
• *+i=real, +m=upright
• *words with "v" have negative signs
• *for lenses, use mirror equations, but switch signs on f and real/virtual images are on opposite side of lens when compared to mirror

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