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# Physics GCSE eqBR

Average speed v = d/t
Acceleration a = (v - u) / t v - final u - initial
Force F = ma
Weight W = mg
Momentum p = mv
Moment = Force * perpendicular distance from pivot
Moments [2] Sum of anti-clockwise moment = sum of clockwise moment
Power P = IV
Energy P * t (power * time)
Current I = Q/T
Voltage V = IR
Wavespeed v = fÎ»
Refractive index Sin(i) / Sin(r)
Refractive index [2] n = 1/Sin(c)
Work done W = F * d
Gravitational potential energy GPE = mgh
Kinetic energy KE = Â½mvÂ²
Power Work done / time taken w/t
Density Rho = m/v
Pressure Pressure = Rho * g * h
Pressure [2] T = temperature P1/T1 = P2/T2
Transformers input v/output v = primary turns/secondary turns
Created by: Bratskin
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