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- . A booster pump on a brake system designed to be used horizontally consists of two cylinders capped by pistons connected by a hose. The cylinders and hose are filled with an incompressible fluid. The system produces a mechanical advantage of five times; that is, the output force is five times as great as the input force. If the cross-sectional area of the input piston is 4.0 in.2, how large must the area of the output piston be?Two soap bubbles have radius in the ratio 1:2 Compare the excess of pressure inside these bubbles. Also compare the work done in blowing these bubbles.Homework 4 Problem 2: A hand-driven tire pump has a piston with a 2.8 cm diameter and a maximum stroke of 24 cm. Part (a) How much work do you do in one stroke if the average gauge pressure is 2.4 × 105 N/m2? W = ______ Part (b) What average force do you exert on the piston, neglecting friction and gravitational force? F = ______
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