Due No Due Date Points 18 Submitting an external tool Week 2 Graded Assessment Progress saved Done Score: 10.85/18 11/18 answered Question 8 0/1 pt 9 3 Create a bucket by rotating around the y axis the curve y - 2 In(x - 5) from y = 0 to y = 9. If this bucket contains a liquid with density 840 kg/m' filled to a height of 7 meters, find the work required to pump the liquid out of this bucket (over the top edge). Use 9.8 m/s for gravity. Work = Joules Submit QuestionScore: 10.85/18 11/18 answered . Question 12 A point-mass of 13 grams at the end of a massless 80 centimeter long string is rotated at a rate of 3 revolutions per second. Find the kinetic energy of the point mass. ergs Submit QuestionPro Score: 10.85/18 11/18 answered Question 13 A 50 cm long metal bar with mass 20 grams is attached to a pivot with a massless string 70 cm long. Find the kinetic energy of the bar when it is rotated at a rate of 3 revolutions per second. string bar Pivot line ergs Submit