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a person stands on a bathroom scale that rest on t

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a person stands on a bathroom scale that rest on the floor of an elevvator. when the elivetor is stationary the scale registers 50kg. when the lift acclelerates up ward the scle registers 60kg .taking g=10m/s^2, the best estimate acceleration of the lift is ;

  • a person stands on a bathroom scale that rest on t - ,

    m = 50 kg
    weight = 50 * g
    F = m a
    f up from scale - m g = m a

    60 * g - 50 * g = 50 * a
    10 g = 50 a

    a = 0.2 g
    if g = 9.91 m/s^2
    then a = 1.96 m/s^2

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