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    billybob50's Avatar
    billybob50 Posts: 9, Reputation: 1
    New Member
    		  
    #1

    Dec 3, 2011, 10:09 PM
    A person is strolling along a moving walkway at a constant velocity of 1.00 m/s with
    A person is strolling along a moving walkway at a constant velocity of 1.00 m/s with respect to the walkway, which moves at a constant velocity of 0.50 m/s with respect to the ground. An observer on the ground is walking at a constant velocity of -0.2 m/s. What is the velocity of the person on the walkway with respect to the observer on the ground?


    Answer choices are:
    - 0.7 m/s
    1.3 m/s
    - 0.3 m/s
    1.7 m/s


    It would be 1.3 m/s correct?

    It would be
    TUT317's Avatar
    TUT317 Posts: 657, Reputation: 76
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    #2

    Dec 4, 2011, 03:51 PM
    Quote Originally Posted by billybob50 View Post
    A person is strolling along a moving walkway at a constant velocity of 1.00 m/s with respect to the walkway, which moves at a constant velocity of 0.50 m/s with respect to the ground. An observer on the ground is walking at a constant velocity of -0.2 m/s. What is the velocity of the person on the walkway with respect to the observer on the ground?


    Answer choices are:
    - 0.7 m/s
    1.3 m/s
    - 0.3 m/s
    1.7 m/s


    It would be 1.3 m/s correct?

    It would be


    No. It would be 1.7 m/s.

    Did you add the moving velocities? Did you subtract the observer velocity?


    Tut
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