A bicycle tire pump has a piston with area 0.44 in. if a, Ask an Expert

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Q. A fish in a flat-sided aquarium sees a can of fish food on the counter. To the fish's eye, the can looks to be 30-cm outside the aquarium. What is the actual distance between can and aquarium? (You can ignore the thin glass wall of the aquarium.)

Q. A bicycle tire pump has a piston with area 0.44 in. If a person exerts a force of 30lbs on the piston while inflating a tire, what pressure does this produce on the air in the pump?

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