Physics

Problem

A passenger walks

1.5\,\text{m/s}

east relative to a moving walkway. The walkway moves

2.0\,\text{m/s}

east relative to the train, and the train travels

18\,\text{m/s}

east relative to the ground. What is the passenger’s speed relative to the ground? a)

23.5\,\text{m/s}

east b)

21.5\,\text{m/s}

east c)

17.5\,\text{m/s}

east d)

19.5\,\text{m/s}

east