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Hearing (Physical Concepts (physical quantities (derived (work w = Fx…

- - - - velocity
        
        average
        
        v = (x1-x2)/(t1-t2)
        
        instantaneous
        
        v = dx/dt
      - acceleration
        
        instantaneous
        
        a = (d^2)x/dt^2
      - inertia
        (mass continue doing what it do)
        
        force
        
        in fact - to change speed
        
        change in speed = a
        
        F = ma
        
        friction (resistance)
        
        restoring
        
        elasticity
        
        Hooke's law
        
        F = -kx
      - work
        w = Fx
        
        E = w + Q
        
        power
        P = w/t
    - - displacement
      - time
      - mass