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March 29, 2017

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While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.25-m piece of fishing line. The weight makes a complete circle every 0.50 sec. What is the angle that the fishing line makes with the vertical?

  • Physics - ,

    Centripetal acceleration, Ac (horizontal)
    = (1/2)v²/r m/s²
    Acceleration due to gravity, g (vertical)
    = 9.8 m/s²

    Angle with vertical, θ
    = tan-1(Ac/g)

  • Physics - ,

    76.1°

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