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  1. The x- and y-coordinates of a moving particle are given by two parametric equations.

    x = [a]t2 + t                  
    y = 2 – [c]t                  

    Find the magnitude and direction of velocity at t = 3 sec. Distance is measured in meters. Round your answers to one decimal place and don't forget to use the degree symbol.
     
  1. A 6-ft tall man walks away from a [a]*[c]-ft tall streetlight at [b] ft/sec. How fast is his shadow increasing when he is [e] feet from the streetlight?
    • 11 years ago
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    Dr.RuttoPhdbest
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