x,v,a
this term can be calculated by dividing change in position over change in time
velocity
acceleration due to gravity with units
-9.81 m/s2
a particle does this when it has positive velocity and negative acceleration
slowing down
an object is considered in free fall when only this is present on the object
the force of gravity
a term is considered this when it has both magnitude and direction
this component is constant in projectile motion problems
horizontal velocity
a particle does this when it has negative velocity and negative acceleration
speeds up
the term for xf - xi in the third kinematics equation
displacement
this calculus calculation will give you the instantaneous acceleration of an object
derivation of a velocity vs time function
this is the time it takes a ball launched straight up from the ground at a velocity of 20 m/s to reach its peak
2 seconds