A system consists of three identical 14.32-lb particles A, B, and C. The velocities of the particles are, respectively, vA = vA j, vB = vBi, and vC = vCk. The angular momentum of the system about O expressed in ft·lb·s is HO = -1.2k. Determine the velocities of the particles.  (You must provide an answer before moving to the next part.)   The velocity of particle A is (  ft/s)j. The velocity of particle B is (  ft/s)i. The velocity of particle C is (  ft/s)k.

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.