number 16 form 5.3

3,4 from 5.4

13- W3 POMS] DETAILS PREVIOUS ANSWERS SCH-C9 5-3-052- E A solid is obtained by rotating the shaded region about the specied line. about the line y = 4 .V 3 (D (a) Set up an integral to nd the volume of the solid. f E )W 1 (b) Evaluate the integral to find the volume of the solid. |:|x Need Help? 3. [0/1 Points] PREVIOUS ANSWERS SCH-C9 5-4-7-M'- MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A force of 18 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work W is done in stretching it from its natural length to 9 in. beyond its natural length? w: x ftlb Need Help? 4- [0/2 Points} DETAIL; PREV|Dus ANSWERS SCH-'19 5-4-009- MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose that 4 J of work is needed to stretch a spring from its natural length of 26 cm to a length of 40 cm. (a) How much work (in J) is needed to stretch the spring from 30 cm to 38 cm? (Round your answer to two decimal places.) x J (b) How far beyond ils natural length (in cm) will a force of 10 N keep the spring stretched? (Round your answer one decimal place.) xcm Need Help? Submit