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    Julieklammy's Avatar
    Julieklammy Posts: 1, Reputation: 1
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    Apr 15, 2014, 03:32 PM
    Answers for Word Problems
    A 747 has a landing speed of 208 mph (93.1 m/s). A tire kicks a stone 0.112kg n weight into bottom of the fuselge. Calculae the energy in the stone. Calculate how high the impactor in the tube woud have be held.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    Apr 16, 2014, 05:47 AM
    What does this mean?

    Quote Originally Posted by JulieKlammy
    Calculate how high the impactor in the tube woud have be held.

    As for energy in the stone - you'll have to make an assumption as to its speed relative to the plane (to calculate its kinetic energy relative to the plane), and also an assumption as to the height of the fuselage off the ground (in order to determine the stone's potential energy).

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