Section 6_5

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1. 3/3 points All Submissions Notes Question: SCalcCC2 6.5.04. 2. 3/3 points All Submissions Notes Question: SCalcCC2 6.5.06. 3. 3/3 points All Submissions Notes Question: SCalcCC2 6.5.14. Web Assign Section 6.5 (Homework) About this Assignment Question Points 1234 56 333 0/3 0/3 2 Total 11/17 Description Applications to Physics and Engineering The due date for this assignment is past. Your work can be viewed below, but no changes can be made. A spring has a natural length of 20 cm. If a 25 N force is required to keep it stretched to a length of 30 cm, how much work is required to stretch it from 20 cm to 25 cm? .3125 0.312 J If 6 J of work are needed to stretch a spring from 10 cm to 12 cm and another 10 J are needed to stretch it from 12 cm to 14 cm, what is the natural length of the spring? 8 8 cm The tank shown is full of water. Given that water weighs 62.5 lb/ft 3 , find the work required to pump the water out of the tank.

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## This note was uploaded on 06/24/2009 for the course MA 241 taught by Professor Mccollum during the Spring '08 term at N.C. State.

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