chapter 11 wordwise


average speed
total distance divided by total time

linear graph
straight line on a speed-time graph

meters per second

frame refrence
what do you need in order to completely determine the motion of an object

determined by measuring the length between two points

resultant vector
when two or more vectors combine

free fall
accelerate at 9.8 m/s

non linear
a curve connects data points on what graph

the speed and direction in which an object is moving

relative motion
movement in relation to a frame of refrence

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