Stuck Together Collision#
A perfectly inelastic collision occurs between an object of mass \(m\) initially travelling along the positive \(x\)-axis at speed \(v\), and an object of mass 3\(m\) initially travelling along the positive \(y\)-axis at the same speed \(v\). Following the collision the objects stick together and travel at a final speed \(v_f\) at an angle \(\theta\) degrees from the positive \(x\)-axis as shown in the figure below.
The value of the angle \(\theta\) is:
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