Recent content by Tohte

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    Ballistic Pendulum Rifle: Solving for Post-Collision Height

    I don't understand what it is I do with the equation for Kinetic Energy, I'm supposed to find the height of the bullet-pendulum system after the bullet hits the pendulum.
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    Ballistic Pendulum Rifle: Solving for Post-Collision Height

    KE = (1/2)mv2
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    Ballistic Pendulum Rifle: Solving for Post-Collision Height

    Okay, so I need to use PE = mgh. I don't understand what I do with the velocity of the bullet and how to setup the problem, if I could get a little more guidance it would help me out Thanks.
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    Ballistic Pendulum Rifle: Solving for Post-Collision Height

    The problem: https://tycho-s.phys.washington.edu/cgi/courses/shell/common/showme.pl?courses/phys121/autumn08/homework/06/IE_algebra_ballistic_pendulum_MOM/pic.gif A rifle bullet of mass m = 0.03 kg traveling at vb = 240 m/s collides with and embeds itself in a pendulum of mass M = 2.88...