IB Physics SL Flashcards
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A collection of essential physics formulas and concepts for IB Physics SL exam preparation.
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16 Terms
Final velocity in constant acceleration motion
v = u + at
Displacement with initial velocity and time
s = ut + 1/2 at²
Equation linking velocity, initial velocity, displacement, and acceleration
v² = u² + 2as
Displacement using average velocity
s = ((u + v)/2) t
Work done with force and displacement at an angle
W = Fd cos θ
Efficiency
Efficiency = useful output / total input
Wave speed, frequency, and wavelength
v = fλ
Total resistance for resistors in series
Rtotal = R₁ + R₂ + …
Total resistance for resistors in parallel
1 / Rtotal = 1 / R₁ + 1 / R₂ + …
Ohm's Law
V = IR
Electric power using current and voltage
P = IV
Electric power using current and resistance
P = I²R
Electric power using voltage and resistance
P = V² / R
Period of circular motion
T = 2πr / V
Radioactive decay
N = N₀ e^(-λt)
Decay constant and half-life relationship
λ = ln(2) / t₁/₂
