Q2A = 12 in.; AB = 2 ft 4 in.; BC = 8 in.; CD = 2 ft; DE = 1 ft 3 in.; Q7E = 12 in.; Q5C = 2 ft; DF = 2 ft; CE = 3 ft. Scales: Ks 1 1/2 in. = 1 ft; Kv = 400 fpm. The angular velocity of crank 2 is 75 rpm counterclockwise. Determine the velocities in feet per minute of the point E  and the slide 8. Draw the velocity polygon. Also determine the angular velocities of links 4, 5, and 7.

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Q: 4) The magnitude of the velocity of point E, (Ve in ft/s) =

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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.