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March 27, 2017

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23. A rifle is aimed horizontally toward the center of a target 71.4 m away. If the bullet strikes 10 cm below the center, what was the velocity of the bullet?

  • Physics - ,

    First calculate how long (T) it takes the bullet to fall 10 cm, with zero initial vertical velocity component.

    (1/2) g T^2 = 0.1 meter
    T = 0.143 s

    Then solve V*T = 71.4 m, to get V

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