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2 April, 23:51

A 33 kg gun is standing on a frictionless surface. The gun fires a 57.7g bullet with a muzzle velocity of 325m/s. The positive direction is that of the bullet.

Calculate the kinetic energy of thebullet immediately after the gun was fired. Answer in units of J

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  1. 3 April, 03:30
    0
    Kinetic Energy = (1/2) mv^2.

    m = 57.7 g = 57.7/1000 = 0.00577 kg.

    v = 325 m/s.

    E = 0.5 * 0.00577 * 325^ 2. Use your calculator.

    E = 304.728125 J.

    That's the kinetic energy.
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Home » Physics » A 33 kg gun is standing on a frictionless surface. The gun fires a 57.7g bullet with a muzzle velocity of 325m/s. The positive direction is that of the bullet. Calculate the kinetic energy of thebullet immediately after the gun was fired.
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