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A bus travels from west to east with a velocity of 11.5 m/s. A marble rolls on the surface of the bus floor with a velocity of 0.200 m/s north. What is the velocity of the marble relative to the road?

  • Physics -

    Use vectorial addition to add
    Vb=(11.5,0) and Vm=(0,0.200)
    The relative velocity of the marble with respect to the road is the sum of the vectors, add up the components to get Vr=(11.5,0.2).
    The velocity is the magnitude of the resultant Vr. To determine the magnitude, see the example in:

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