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PHYSICS
 

Platte Canyon High School
Bailey, Colorado

Useful Information

USEFUL INFORMATION
Physics Equations

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DESCRIPTION

EQUATIONS

UNITS

 Average velocity

       

m/s

Acceleration

m/s2

Displacement

m

Velocity (freefall)

m/s

Displacement (freefall)

m

Law of Sines

 

Law of Cosines

 

Newton's Second Law

N

Weight

N

Momentum

kgm/s (Ns)

Impulse

kgm/s (Ns)

Law of Conservation of Momentum

Total momentum before collision = Total momentum after collision

m1v1 + m2v2 = m1v1' +m2v2'

 

Velocity (centripetal)

m/s

Acceleration (centripetal)

m/s2

Force (centripetal)

kgm/s2 (N)

Period of a pendulum

s

Work

Nm (J)

Power

W

Potential Energy

J

Kinetic Energy

J

Wave Velocity

m/s

Wave Period

s

EQUATION ABBREVIATIONS

v = velocity s = displacement t = time
p = momentum a = acceleration x = position
g = acceleration due to gravity F = force m = mass
w = weight r = radius W = work
T = period l = length  P = power
h = height PE = potential energy = frequency
l = wavelength KE = kinetic energy

UNIT ABBREVIATIONS

m = meter s = second kg = kilogram
N = Newton J = Joule W = watt
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