Equations for physics

Eqautions for physics which we need to know how to use and manipulate to suit the question..

:)

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  • Created by: Braniac
  • Created on: 13-12-11 18:37
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AS PHYSICS EQUATIONS
Unit 1
Mechanics v = u + at
s = ut + ½at2
Kinematic v2 = u2 + 2as
equations of
motion F = ma
g = F/m
W = mg
W = Fs
Forces
Ek = ½ mv2
Egrav = mgh
Work and energy
Materials F = 6rv
Stokes' law F = kx
Hooke's law
= m/V
Density p = F/A
Pressure E = / where
Stress = F/A
Young's modulus Strain = x/x
Elastic strain Eel = ½ Fx
energy
Unit 2
Waves
v = f
Wave speed
12 = sin i/sin r = v1/v2
Refractive index
Electricity
V = W/Q
Potential
difference
R = V/I
Resistance
P = VI
P = I2R
P = V2/R.

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AS PHYSICS EQUATIONS
Electrical power, W = VIt
% efficiency = [useful
energy and energy (or power)
efficiency output/total energy
(or power) input] ×
100%
R = l/A
I = Q/t
I = nqvA
Resistivity
Current
Quantum physics
E = hf
Photon Model
Einstein's hf = + ½ mv2
max
photoelectric
equation…read more

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