College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A gardener feels it is taking too long to water a garden with a 0.40-in.-diameter hose.
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Part ABy what factor will the time be cut using a 0.60-in.-diameter hose instead? Assume nothing else is changed.
Express your answer using two significant figures.
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- Pressure cookers have been around for more than 300 years, although their use has strongly declined in recent years (early models had a nasty habit of exploding). How much force (in N) must the latches holding the lid onto a pressure cooker be able to withstand if the circular lid is 21.0 cm in diameter and the gauge pressure inside is 2.60 atm? Neglect the weight of the lid. Narrow_forwardConsider the following section of pipe. The velocity of water (Pwater h₁ m S V₁ = 2.9 h₁ = 3.2 m V₂ = 6.7 h₂ = 1.9 m m S Point 1 = 1000 kg ) and height are given for two different points in the pipe. Use this information to answer the following questions. m What is the ratio of the cross-sectional area at point 1 to the cross-sectional area at point 2? A₁ A₂ What is the difference in pressure between points 1 and 2? (Find P2 - P₁. Include a negative sign if that's what you calculate.) P2 - P1 = Pa Which direction is the water flowing through the pipe? Point 2 h₂arrow_forwardThe density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m³. A swimming polar bear climbs onto a piece of floating ice that has a volume of 4.47 m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water? Number i Unitsarrow_forward
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