Lesson 7 — acceleration

4.4 Acceleration
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SpeedMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 20 slides, with text slides.

Items in this lesson

4.4 Acceleration

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This lesson
  • Acceleration — New formula
  • The unit of acceleration
  • Doing calculations
  •  Worksheet acceleration

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Goals
  • Name the five steps of doing calculations
  • Name and apply the formula for acceleration
  • Define the unit of acclereation

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Acceleration

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Speed
    • A change in distance over time


    Acceleration
    • A change in speed over time 

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      Speed



        Acceleration
        • A change in speed over time 
          speed=timedistance

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          Speed



            Acceleration
              speed=timedistance
              acceleration=timechangeinspeed

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              acceleration=timechangeInspeed

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              acceleration=timechangeInspeed
              acceleration=timefinalspeedstartingspeed

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              acceleration=timechangeInspeed
              acceleration=timefinalspeedstartingspeed
              a=tvfvi

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              acceleration=timechangeInspeed
              acceleration=timefinalspeedstartingspeed
              a=tvfvi
              • a: acceleration
              • vf: final speed
              • vi: initial speed
              • t: time

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              Acceleration
                Exercise
                A race car accelerates from 18.5 m/s to 46.1 m/s in 2.47 seconds. Calculate its acceleration

                a=tvfvi

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                The unit of Acceleration

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                Unit of Acceleration
                • speed/time
                • (m/s)/s


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                Unit of Acceleration
                • speed/time
                • (m/s)/s


                m/s
                2

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                Worksheet acceleration
                • Given
                • Asked
                • Formula
                • Calculation
                • Check

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                A dragon fly is flying at a speed of 15,6 m/s. A strong wind pulls up bring its speed down to 12,9 m/s 5 seconds later. Calculate its acceleration.

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                Goals
                • Name the five steps of doing calculations
                • Name and apply the formula for acceleration
                • Define the unit of acclereation

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