Physics

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A 4.0 g bullet leaves the muzzle of a rifle with a speed of 310 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.9 m long barrel of the rifle?

  • Physics -

    Force x distance = Work done on bullet
    = kinetic energy increase = (1/2)MV^2

    Solve for the Force

  • Physics -

    Hello. I keep repeating the problem and I get a huge number.

  • Physics -

    Show your work. Make sure the mass of the bullet is converted to kg.

    F = (1/2) M V^2 / (0.9 m)

    The answer will be in Newtons if m is in kg and V is in m/s.

  • Physics -

    it worked now.. thank you.. i forgot to convert!

  • Physics -

    A force of 2.3 N is exerted on a 6.6 g rifle bullet. What is the bullet's acceleration

  • Physics -

    A 4.1-g bullet leaves the muzzle of a rifle with a speed of 300 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81-m-long barrel of the rifle?

  • Physics -

    my answer is 214N. is that right?

  • Physics -

    rigth

  • Physics -

    right

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