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3 Special Vectors

r = position
location of object in some frame of reference
v = velocity
rate at which position of object is changing wrt time

a = acceleration
rate at which velocity of object is changing wrt time

Summary of Notation

Direction Vectors

(v hat is the direction of vector)
Vector (Cross) Product

Equation 1


r = position
v = velocity
a = acceleration
Equation 2


r = position
v = velocity
a = acceleration
Equation 3


r = position
v = velocity
a = acceleration
Kinematics
study of motion (1A: under constant acceleration)