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    rausch09's Avatar
    rausch09 Posts: 2, Reputation: 1
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    #1

    Sep 27, 2011, 05:47 PM
    What is the angle of the water?
    A fire hose held near the ground shoots water at a speed of 5.0 m/s.
    At what angle(s) should the nozzle point in order that the water lands 2.0m away?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Sep 27, 2011, 11:54 PM
    1. Let the angle be theta,

    2. Find the vertical and horizontal components of the velocity of the water in terms of theta.

    3. Use to get the time the water takes to fall back to the ground, where , and t is in terms of theta.

    4. Use for the horizontal displacement, using s = 2.0 m, u as the horizontal component and t as the time you got in step 3 above. Solve for theta.
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