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A ball bearing is moving radially outward in a slotted horizontal disk that is rotating about the vertical Z axis. At one instance, the ball bearing is 3 in. from the center of the disk. It is traveling radially outward at a velocity of 4 in./sec relative to the disk. If theta' = 2 rad/sec and is constant find r'' and the force exerted on the ball by the disk at this instant. Assume no friction and take the weight of the ball to be 0.05 lb.
Determine the angle between his velocity vector and the line from his position to the airlock's position.
100 lb of fluid food is heated by addition of 10000 btu of energy. if the food has initial temperature of 40degf and
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three pieces of plywood are held together by a couple of washers one on each side of the plywood pieces and a steel
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