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  • Mar 7, 2011, 04:09 PM
    flufy87
    solid mechanics
    How long must a force F be applied to a mass M to change the velocity of the mass by 2 m/s if

    · F = 1471 N

    · M = 153 kg

  • Mar 7, 2011, 09:13 PM
    jcaron2

    You know that F=ma.

    Therefore, you can easily calculate the acceleration.

    Once you know the acceleration, a, you just need to use

    ,

    where is the change in velocity and is the amount of time that passes. All you have to do is solve for .

    Can you do that?

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