Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 9 in/sec, which is decreasing at the rate of 2 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 10 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B. 1881 Part 1 Answers: p= p= 7= Determine the indicated terms used in the velocity and acceleration formulas. i 2.9₁ i 36° 2.9¹ 2.3₁ 36° A 2.3¹ A in. 0= in./sec 0 = B in./sec² >= i i rad/s rad/2

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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.