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8 May, 07:47

While John is traveling along a straight interstate highway, he notices that the mile marker reads 239 km. John travels until he reaches the 149 km marker and then retraces his path to the 167 km marker. What is John's resultant displacement from the 239 km marker?

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  1. 8 May, 07:49
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    72 km

    Explanation:

    We are given that

    John marker reads=239 km

    John travels and reaches the marker=149 km

    John retraces his path and reaches the marker=167 km

    We have to find the John's resultant displacement from 239 km.

    Displacement:The displacement is the distance between two positions.

    By definition of displacement

    John's resultant displacement from 239 km=239-167

    John's resultant displacement from 239 km=72 km

    Hence, John's resultant displacement from 239 km=72 km
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