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March 30, 2017

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A 5.4 g bullet leaves the muzzle of a rifle with a speed of 334 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.95 m long barrel of the rifle?
___N

  • physics - ,

    d = rt,
    t = d/r = 0.95 m / 334 m/s = 0.0028 s,

    V = at,
    a = V/t = 334 m/s / 0.0028 s = 117606 m/s^2,

    F = ma = 0.0054 kg * 117606 m/s^2 =
    6351 N.

  • physics - ,

    State the law of acceleration in its full form and give examples of how it works

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