Lesson 7 — acceleration

4.4 Acceleration
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4.4 Acceleration

Slide 1 - Tekstslide

Slide 2 - Tekstslide

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

Slide 3 - Tekstslide

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

Slide 4 - Tekstslide

Acceleration

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Slide 6 - Tekstslide

Speed
    • A change in distance over time


    Acceleration
    • A change in speed over time 

      Slide 7 - Tekstslide

      Speed



        Acceleration
        • A change in speed over time 
          speed=timedistance

          Slide 8 - Tekstslide

          Speed



            Acceleration
              speed=timedistance
              acceleration=timechangeinspeed

              Slide 9 - Tekstslide

              acceleration=timechangeInspeed

              Slide 10 - Tekstslide

              acceleration=timechangeInspeed
              acceleration=timefinalspeedstartingspeed

              Slide 11 - Tekstslide

              acceleration=timechangeInspeed
              acceleration=timefinalspeedstartingspeed
              a=tvfvi

              Slide 12 - Tekstslide

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

              Slide 13 - Tekstslide

              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

                Slide 14 - Tekstslide

                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

                Slide 17 - Tekstslide

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

                Slide 18 - Tekstslide

                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.

                Slide 19 - Tekstslide

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

                Slide 20 - Tekstslide