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A hand-driven tire pump has a piston with a 2.50 cm diameter and a maximum stroke of 32.0 cm. (a) How much work (in J)

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A hand-driven tire pump has a piston with a 2.50 cm diameter and a maximum stroke of 32.0 cm. (a) How much work (in J) do you do in one stroke if the average gauge pressure is 2.40 x 105 N/m2 (about 35 psi)? :l1 (b) What average force (in N) do you exert on the piston, neglecting friction and gravity? :IN

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