Physics/Equations and formulaes

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  • Physics equations and formulaes
    • vectors and scalars
      • vectors = size & direction
        • -displacement -velocity          -weight            -force
          • Displacement- how far away you are from where you started
      • Scalars= are just size
        • -speed             -mass              -energy           -time
    • Speed
      • Speed Calculations      2m/s - walk    5m/s - cycle      4m/s - running  35m/s - car on motorway
      • Distance = speed x time
        • time = distance ÷ speed
          • Speed = distance ÷ time
    • Acceleration
      • Rate of change of velocity = acceleration
      • Acceleration is a vector
        • vectors = size & direction
          • -displacement -velocity          -weight            -force
            • Displacement- how far away you are from where you started
      • Acceleration(m/s2)= change in velocity (m/s) ÷ Time taken (s)

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