Suppose the mass with the bar is released from near the top of the scale at time \(t=0\) and position \(x_{0}\) on the scale; that the ring at position \(x_{r}\) lifts the bar off of the mass at time ...Suppose the mass with the bar is released from near the top of the scale at time \(t=0\) and position \(x_{0}\) on the scale; that the ring at position \(x_{r}\) lifts the bar off of the mass at time \(t_{r}\); and that the the mass hits the stage at position \(x_{s}\) at time \(t_{s}\).
