AP Physics B Formulas 2012
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73 terms
Terms | Definitions |
|---|---|
 v | v₀+at |
| x | x₀+v₀t+½at² |
| v² | v₀²+2a(x-x₀) |
| ∑F=Fnet | ma |
| Force of Friction | µN |
| Acceleration of a Circle | v²/r |
| Torque | rFsinθ |
| p | mv |
| J | F∆t=∆p |
| K | ½mv² |
| ∆Ug | mgh |
| W | F∆rcosθ |
| P | W/∆t |
| W | F∆rcosθ |
| Force of a Spring | -kx |
| Potential Energy of a Spring | ½kx² |
| Period of a Spring | 2π√(m/k) |
| Period of a Pendulum | 2π√(l/g) |
| T | 1/f |
| Fg | mg |
| Force Of Gravity (Universal) | -Gm₁m₂/r² |
| Potential Energy due to Universal Gravity | -Gm₁m₂/r |
| ρ | m/V |
| P | P₀+ρgh |
| Force of Buoyancy | ρVg |
| A₁v₁ | A₂v₂ |
| P+ρgy+½ρv² | constant (P₁+ρgy₁+½ρv₁²=P₂+ρgy₂+½ρv₂²) |
| ∆l | αl₀∆T |
| H | kA∆T/L |
| P | F/A |
| PV | nRT=Nk(sub b)T |
| average Kinetic energy | 3/2k(sub b)T |
| average speed | √(3RT/M)= √(3k(sub b)T-µ) |
| W | -P∆V |
| ∆U | Q+W |
| e | |W/Th| |
| efficiency of carnot | Th-Tc/Th |
| P₁V₁/T₁ | P₂V₂/T₂ |
| v | fλ |
| n | c/v |
| n₁sinθ₁ | n₂sinθ₂ |
| sinθcritical | n₂/n₁ |
| 1/s (sub i)+1/s₀ | 1/f |
| M | h(sub i)/h₀=s(sub i)/s₀ |
| f | R/2 |
| dsinθ | mλ |
| x (sub m) | mλL/d |
| F | kq₁q₂/r² |
| E | F/q |
| E | kq₁/r² |
| potential energy of electric field | kq₁q₂/r= qV |
| V | k(q₁/r₁+q₂/r₂+...) |
| C | Q/V |
| C | ε₀A/d |
| potential energy of a capacitor | ½QV=½CV² |
| average I | ∆Q/∆t |
| R | ρl/A |
| V | IR |
| P (brightness as well as power) | IV |
| Cparallel | C₁+C₂+... |
| 1/Cseries | 1/C₁+1/C₂+... |
| Rseries | R₁+R₂+... |
| 1/Rparallel | 1/R₁+1/R₂+... |
| Force of Magnetism | qvBsinθ |
| Force of Magnetism | BIlsinθ |
| B | (µ₀/2π)(I/r) |
| magnetic flux (Φm) | BAcosθ |
| average ∈ | -∆Φm/∆t |
| ∈ | Blv |
| E | hf=pc |
| max K | hf-Φ |
| λ | h/p |
| ∆E | (∆m)c² |
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