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Physics Formula Calculator
Mechanics · Thermodynamics · Electromagnetism · Relativity
Mechanics
F = ma (Newton's 2nd)
KE = ½mv²
PE = mgh
p = mv (Momentum)
W = Fd·cosθ
Waves & Optics
v = fλ (Wave speed)
n₁sinθ₁ = n₂sinθ₂
Thermodynamics
PV = nRT (Ideal Gas)
Q = mcΔT
Electromagnetism
V = IR (Ohm's Law)
P = IV (Power)
F = m × a
Newton's Second Law of Motion — Net force equals mass times acceleration
Calculate
Result
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Fundamental Constants
Speed of Light
c = 3×10⁸ m/s
Gravity (Earth)
g = 9.81 m/s²
Planck's h
6.626×10⁻³⁴ J·s
Electron Mass
9.109×10⁻³¹ kg
Boltzmann k
1.381×10⁻²³ J/K
Electric k
8.99×10⁹ N·m²/C²