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unit 2 - Coggle Diagram

- - - - measure time using sensors/stopwatches but stopwatches are kinda inaccurate
      - measure distance of the ramp
- - - - that car has a steady acceleration of 20km/h per s
- - - - the triangle here is delta, it represents change
    - - a = (v - u)/Δt
        
        v is final velo
        
        u is initial velo
    - - again, basically the gradient of a section that is straight
        
        to get the gradient, divide the speed from the time
        
        if it isnt straight but curved, you can only find the acceleration at a certain point by drawing a tangent and calc its gradient(of the tangent)