Problem 9: A particle released from rest from the top A of a tower of heighth will appear not to fall straight down because of the Earth's rotation. It may be shown that the object has an eastward horizontal acceleration relative to the horizontal surface of the Earth equal to 2v, w cosy, where vy, is the free-fall downward velocity, w is the angular velocity of the Earth, and y is the latitude. Determine the deflection b if h = 1000 ft and y = 30°. The angular velocity of the Earth is w= 0.7292 x 10-4 rad/s and g = 32.2 ft/s². Ans: b = 0.332 ft East

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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.