Chap9 - 3. Strategy Use the definition of average pressure....

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3. Strategy Use the definition of average pressure. Solution Compute the average pressure on the soles of the feet. av 2 (90.0 kg)(9.80 N kg) 22 kPa 2(0.020 m ) Fm g P AA == = = 8. Strategy The pressure increases by an amount equal to the force divided by the cross-sectional area of the piston. Solution Compute the pressure increase. 52 4.40 N 88.0 kPa 5.00 10 m F P A Δ= = = × 14. Strategy Since d is depth, d is height. Use Eq. (9-4). Solution Find the height that water can be sucked up a straw. atm
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This note was uploaded on 03/01/2009 for the course PHY 2130 taught by Professor Rehse during the Winter '08 term at Wayne State University.

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