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Constant Acceleration. What is average acceleration? The average acceleration over a period of time is just that…an average. – What limitations does it.

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Presentation on theme: "Constant Acceleration. What is average acceleration? The average acceleration over a period of time is just that…an average. – What limitations does it."— Presentation transcript:

1 Constant Acceleration

2 What is average acceleration? The average acceleration over a period of time is just that…an average. – What limitations does it present? – What about you getting on the free-way? You press your foot on the gas peddle and are constantly accelerating over a period of time.

3 Constant Acceleration equations V f = V i + at ΔX = V i t + ½(at 2 ) V f 2 = V i 2 + 2a Δ X ΔX = ½ (V i + V f )t

4 Practice Problems What is a runner’s velocity at the end of a 100 m dash if he continually accelerates at 0.528 m/s 2 ?

5 Practice Problem A passenger jet lands on a runway with a velocity of 71.5 m/s. Once it touches down, it accelerates at a constant rate of -3.17 m/s 2. How far does the plane travel down the runway before its velocity is decreased to 2 m/s, its taxi speed to the landing gate?

6 Independent Practice In teams, work through the practice problems given to you. What you do not finish in class then becomes homework. Make sure to update your glossary with vocab!


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