Simple kinetics: motion along a line

Kinematics: part of mechanics that describes motion itself

Dynamics: part of mechanics that describes cause of motion

 

Distance vs. displacement

Distance: duh

Displacement: net change in distance

 

Position

R (x,y,z)

Velocity

v

Acceleration

a

 

Velocity as a derivative of time

dx/dt

 

Calculus equations in Wikipedia

 

\frac{d}{dx}(x^2)=2x.

 

\int 2x\, dx = x^2 + C.

 

seismic waves
s wave (transverse verticle)
Rayleigh wave (transverse verticle/compressional)
Love wave (transverse horizontal)

v=(t/(m/l))^.5