Question: Make an order-of-magnitude estimate for a safety floatation device that can be used by children who are playing in a swimming pool. The design concept

Make an order-of-magnitude estimate for a safety floatation device that can be used by children who are playing in a swimming pool. The design concept is for one inflatable, annular, plastic balloon to slide over each of the child’s arms and up to the shoulder. Take into account the child’s weight and buoyancy force, and determine the dimensions that will be suitable for children weighing up to 50 lb.

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