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2_Multidimension_motion

2_Multidimension_motion - Vectors and multidimension motion...

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Vectors and multidimension motion Vectors and multidimension motion

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Review: Definitions Review: Definitions Kinematics: A description of motion. Position: A location in space. Coordinate system: An arbitrary, usually graphical, description of space that allows one to uniquely identify a particle’s position Displacement: The change in position, as measured in a particular coordinate system. This is directional. Velocity (average): The displacement in a given time interval divided by that time interval. This is directional. Speed (average): The total distance traveled in a given time interval, divided by that time interval. This is not directional. Acceleration (average): The change in velocity over a given time interval, divided by that time interval.
Exercise: solution Exercise: solution Draw x(t), v(t) and a(t) diagrams to describe the motion. Stack the graphs vertically so that a vertical line connects equal values of t on each of the three graphs. V 0 >0

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Review: Constant acceleration Review: Constant acceleration A useful special case of motion is that of constant acceleration, where a(t)=a avg =a for all times t. a) Write an equation to describe the velocity v(t) at any time t. What does this look like graphically? position x(t) at any time t. does this look like graphically?
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2_Multidimension_motion - Vectors and multidimension motion...

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