Water flows steadily through the funnel shown in the following figure. Throughout most of the funnel, the flow is approximately radial (along with rays from o) witha velocity of V = where r is the radial coordinate and C is a constant. If the velocity is 0.4 m/s when ra= 0.15 m. Determine the acceleration at points 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.