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Graphical Analysis Of Motion. Aims : Graphical Analysis. To measure the motion of an object Construct a graph of distance vs. time Calculate the speed and acceleration of an object in free fall, linear acceleration, and variable acceleration.
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Aims : Graphical Analysis • To measure the motion of an object • Construct a graph of distance vs. time • Calculate the speed and acceleration of an object in free fall, linear acceleration, and variable acceleration. • Compare the resulting graphs of each type of motion
Data Chart : Constant Velocity Copy the data chart and construct a Distance vs. Time Graph Answer on the next SLIDE
Velocity Time Graph Copy the data chart and construct a VELOCITY vs. TIME Graph
Data Chart Constant Acceleration! What type of motion?
Graph Question • What is the magnitude of the object’s total displacement after 4 seconds • What is the average speed after 3 seconds? 8m V= d/t V= 8m/3s V= 2.66 m/s
Summary • Distance and time measurements can be used to describe the velocity and acceleration • The Shape of the Distance vs. Time determines the type of motion • Rest : Straight line parallel to time axis • Constant Speed : Straight line on a slope (magnitude of the speed) • Constant Acceleration: Curved line • The Shape of the Velocity vs. Time determines the type of motion • Rest : Straight line on the time axis • Constant Speed : Straight line parallel to the Time axis • Constant Acceleration: Straight line on a slope (magnitude of the Acceleration)