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Pertanyaan

A particle moving along the x- Axis, where the position is expressed by : X = 5t^2 + 1, X in meter and t in second, the average velocity in time interval between 2 seconds and 3 seconds is…. (m/sec)

1 Jawaban

  • v1 = 5(2²)+1
    = 21m/sec

    v2 = 5(3²)+1
    = 46m/s

    v rata-rata =(v2-v1)/(t2-t1)
    = (46-21)/3-2
    = 25/1
    = 25m/s

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