{"id":19703,"date":"2017-01-22T17:04:26","date_gmt":"2017-01-22T17:04:26","guid":{"rendered":"http:\/\/www.oracletutoring.ca\/blog\/?p=19703"},"modified":"2017-01-22T17:04:26","modified_gmt":"2017-01-22T17:04:26","slug":"physics-pressure-how-high-a-column-of-water-might-a-household-tap-support","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/physics-pressure-how-high-a-column-of-water-might-a-household-tap-support\/","title":{"rendered":"Physics:  pressure:  how high a column of water might a household tap support?"},"content":{"rendered":"<h1>The tutor imagines a water pressure scenario.<\/h1>\n<p>Let&#8217;s imagine the pressure of a faucet is 40psi (pounds per square inch).  For the sake of physics, we might convert that pressure to N\/m^2:<\/p>\n<p>(40lb\/inch^2)*(9.8N\/2.2lb)*(inch\/0.0254m)^2=276182N\/m^2<\/p>\n<p>The gravitational force on a water column is density*area*height*9.8N\/kg, all dimensions in metres:<\/p>\n<p>F<sub>g<\/sub>=1000kg\/m^3*A*h*9.8N\/kg=9800AhN<\/p>\n<p>Therefore, the force per unit area (ie, pressure) at the bottom of the column would be<\/p>\n<p>9800AhN\/A=9800hN\/m^2<\/p>\n<p>At the maximum height the faucet can support, its pressure will equal that due to gravity:<\/p>\n<p>276182=9800h<\/p>\n<p>Dividing both sides by 9800, we arrive at<\/p>\n<p>28.18m = h<\/p>\n<p>Therefore, a 40psi faucet should support a 28.18m column of water.<\/p>\n<p>Jack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The tutor imagines a water pressure scenario. Let&#8217;s imagine the pressure of a faucet is 40psi (pounds per square inch). For the sake of physics, we might convert that pressure to N\/m^2: (40lb\/inch^2)*(9.8N\/2.2lb)*(inch\/0.0254m)^2=276182N\/m^2 The gravitational force on a water column &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/physics-pressure-how-high-a-column-of-water-might-a-household-tap-support\/\"> <span class=\"screen-reader-text\">Physics:  pressure:  how high a column of water might a household tap support?<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-19703","post","type-post","status-publish","format-standard","hentry","category-physics"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/19703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=19703"}],"version-history":[{"count":9,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/19703\/revisions"}],"predecessor-version":[{"id":19712,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/19703\/revisions\/19712"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=19703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=19703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=19703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}