For each pulley system given below, calculate the acceleration of mass A in m/s2 (positive upwards) and then caldulate Z 10 a, +5 a2 where a, and az are the accelerations of mass A in system 1 and 2 respectively, Take mA-55.8 kg, mg 7.9 kg, and g 9.81 m/s. Assume lightweight and frictionless pulleys. Round your final answer for Z to two decimal places. System 1 System 2 B mB g A

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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.