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physics

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A 4.9 g bullet leaves the muzzle of a rifle with a speed of 332 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.85 m long barrel of the rifle?

  • physics -

    Force x distance = final kinetic energy of bullet
    The distance is the barrel length. Solve for the Force

  • physics -

    force=(mass)(acceleration)
    what is the acceleration?

  • physics -

    a is the rate of change of velocity.

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