Motion
when an object changes its position
Reference Point
an indicator that orients you; the place from where you measure, record, or witness an event
Distance
how far an object has moved
Displacement
distance and direction of an object’s change in position; difference from starting to ending point
Pythagorean Theorum
a2 + b2 = c2 Used if an object travels at a right angle.
Hypotenuse
the longest side of a right triangle, opposite the right angle
Speed
the distance an object travels per unit of time
Average Speed
total distance traveled divided by total time traveled
Instantaneous Speed
the speed at any given point – what shows up on your speedometer
Velocity
the speed of an object and the direction of its motion
Slope
the steepness of a line
rise over run
change in y divided by the change in x
Constant Speed
When the speed of an object remains the same - it does not increase or decrease
Acceleration
increase in the rate or speed of something
Decceleration
decrease in the rate or speed of something