# Physics Equations to learn

?
• Physics equations
• Kinetic energy = 1/2 x mass x speed^2
• Ek = 1/2mv^2
• GPE = mass x gravitational field strength x height
• Ep = mgh
• Power = workdone / time taken
• P = W/t
• Power = energy transferred / time taken
• P = E/t
• Efficiency = useful energy output / total energy input
• Efficiency = useful power output / total power input
• Potential difference = current x resistance
• V = IR
• Total resistance = resistance of component 1 + resistance of component 2
• Rt = R1 + R2
• Power = current x potential difference
• P = IV
• Charge flow = current x time
• Q = It
• Power = (current)^2 x resistance
• P = I^2R
• energy transferred = power x time
• E = Pt
• Density = Mass / Volume
• D = M /V
• Wave Speed = frequency x wavelength
• v = f (upsidedown)y
• distance = speed x time
• s = vt
• energy transferred = power x time
• E = Pt
• Energy = charge flow x potential difference
• E = QV
• Density = Mass / Volume
• D = M /V
• Wave Speed = frequency x wavelength
• v = f (upsidedown)y
• Weight =  Mass x Gravity
• W = mg
• Physics equations
• Kinetic energy = 1/2 x mass x speed^2
• Ek = 1/2mv^2
• GPE = mass x gravitational field strength x height
• Ep = mgh
• Power = workdone / time taken
• P = W/t
• Power = energy transferred / time taken
• P = E/t
• Efficiency = useful energy output / total energy input
• Efficiency = useful power output / total power input
• Potential difference = current x resistance
• V = IR
• Total resistance = resistance of component 1 + resistance of component 2
• Rt = R1 + R2
• Power = current x potential difference
• P = IV
• Charge flow = current x time
• Q = It
• Power = (current)^2 x resistance
• P = I^2R
• distance = speed x time
• s = vt
• Work Done =  force x distance
• W = Fs
• Force =  Spring constant x extension
• F = ke
• moment of force = force x distance
• M = Fd
• pressure = force normal to a surface / area of that surface
• p = F / A
• Acceleration = change in velocity / time
• A = v-u / t
• resultant force = mass x accleration
• F = ma
• Momentum =  mass x velocity
• p = mv