Question: Example 15.12The box has a mass ( m ) and travels down the smooth circular ramp such that when it is at the angle (theta

Example 15.12The box has a mass \( m \) and travels down the smooth circular ramp such that when it is at the angle \(\theta \) it has a speed \( v \). Determine its angular momentum about point \( O \) at this instant and the rate of increase in its speed, i.e.,\( a_{t}\).

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