Tp1-Motion notes - Technical Physics 1 Motion How far ?...

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Technical Physics 1 Motion How far ? distance or displacement ? Distance - the length of the path traveled. It is not defined by the direction, it is a scalar quantity. Displacement - the length and direction of a line from the starting point to the ending point. It is a vector quantity and must include direction. How fast ? speed or velocity speed - the distance per unit of time. It is a scalar quantity. average speed instantaneous speed Velocity - the displacement per unit of time. It is a vector and must include direction. instantaneous velocity constant velocity Changing motion Acceleration the rate of change in velocity. May be moving faster (+ acceleration), slower (- acceleration “deceleration”) or just changing direction. Units include one unit for length and two units of time. ie. m/s/s (m/s 2 ) constant acceleration - the change in velocity remains the same during each successive time interval Formulas
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This note was uploaded on 09/21/2008 for the course PHYSICS 151 taught by Professor Warren during the Spring '08 term at Fox Valley Technical College.

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Tp1-Motion notes - Technical Physics 1 Motion How far ?...

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