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Posted by on Monday, March 19, 2012 at 8:19pm.

A 6.5 g bullet leaves the muzzle of a rifle with
a speed of 347 m/s.
What total constant force is exerted on the
bullet while it is traveling down the 0.83 m
long barrel of the rifle?

  • physics - , Tuesday, March 20, 2012 at 8:29pm

    a = (V^2-Vo^2) / 2d.
    a = ((347)^2-0) / 1.66. = 72536 m/s^2.

    F = ma = 0.0065kg * 72,536 = 472 N.

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