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Mikayla Milford

Chp. 11

frame of referance is a system of objects that are not moving with respect to echother
relative motion is movement in relation to a frame of referance
distance is the length of a path between two objects
vector is a quantity that has both magnitude and direction.
resulant vector sum of two or more vectors
speed is the ratio of the distance an object moves to the amount of time the object moves
average speed total distance divided by time
instantaneous speed is the rate at which the object is moving in a given moment in time
velocity the speed and direction an object is moving
acceleration the rate at which velocity changes
free fall the movement of an object toward earth solely because of gravity
constant acceleration is a steady change in velocity
linear graph displayed data form straight line parts
nonlinear graph a curve that connects the data points that are plotted
Created by: mikayla.milford