Velocity (Speed).

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Presentation transcript:

Velocity (Speed)

Average Speed (Vav) – the total distance divided by the total time for a trip Delta (∆) – “change in” ∆d – change in distance ∆d = df - di ∆t – change in time ∆t = tf - ti

Instantaneous Speed – the speed at which an object is traveling at a particular instant in time Constant Speed – Uniform Motion

Calculating Average Speed When solving problems, GUESS: G iven – Write down all knowns (with units) U nkown – Write what you’re trying to find E quation – Write down the formula to be used S olve (plug in) – Fill in your formula with knowns (including units) S olution (units & SF) – Write the answer with units AND proper sig figs