The force exerted by the motor M on the cable is shown in the graph. (Figure 1) Part A: Determine the velocity of the 155-lb crate A when t=2.5s. Express your answer in feet per second to three significant figures

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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.