11.07.2015 Views

Mathematics and Society - OS X Lion Server

Mathematics and Society - OS X Lion Server

Mathematics and Society - OS X Lion Server

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CO\\lTlI\lUED)F) As the cart is pulled up theinclined plane at a steadyspeed read the spring scale.What is the scale readingwhen the cart is pulled?gramsG) Express the following as a ratio <strong>and</strong> an equivalent decimal.mass of cart~7--"~P'7'-::--_---,-------:-;----;---:;-;---;----:;--=pull needed to move cart up the inclined planeH) How do the ratios in parts D <strong>and</strong> G compare?A second trial should be done changing the height <strong>and</strong> either using a new cart orthe same cart with some additional mass.IDEA FROM:Ratio <strong>and</strong> Proportion RevisitedPermission to use granted by Oakl<strong>and</strong> County <strong>Mathematics</strong> Project343

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