Previous Problem Problem List Next Problem Section 7 6: Problem 1 (1 point) When a particle is located a distance x meters from the origin, a force of cos (7x /7) newtons acts on it. Find the work done in moving the particle from x = 3 to x = 3.5. Find the work done in moving the particle from x = 3.5 to x = 4. Find the work done in moving the particle from x = 3 to x = 4. Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email Instructor Page generated at 07/20/2023 at 05:41pm MST WeBWork @ 1996-2021| theme: math4 | ww_version: 2.16 | pg_version 2.16| The WeBWork Project MacBook Air 30 K D F1 F7 F9 F11 & W# 5 6 O O W E R T Y U O P S D F G H 11 J K Z X B N M command command optionLogged in as oov MAA MATHEMATICAL ASSOCIATION OF AMERICA it_266_locourse_b_summer_2023 / section_7_6 / 2 Previous Problem Problem List Next Problem Section 7 6: Problem 2 (1 point) Results for this submission Entered Answer Preview Result 1.35 1.35 incorrect The answer above is NOT correct. A force of 2 pounds is required to hold a spring stretched 0.1 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 1 feet beyond its natural length? |1.35 Preview My Answers Submit Answers Your score was recorded. You have attempted this problem 3 times. You received a score of 0% for this attempt. Your overall recorded score is 0%. You have unlimited attempts remaining. Email Instructor MacBook Air 30 Dil F10 OF12 @ > > W# N O de Q W F T Y U O P A S 11 D F G H K Z X B N M 96 96 command command optionMAA MATHEMATICAL ASSOCIATION OF AMERICA _266_iocourse_b_summer_2023 / section_7_6 / 4 Previous Problem Problem List Next Problem Section 7 6: Problem 4 (1 point) A heavy rope, 50 ft long, weighs 0.5 lb/ft and hangs over the edge of a building 120 ft high. (a) How much work is done (in ft-lb) in pulling the rope to the top of the building? Work done = ft - lb b) How much work is done (in ft-lb) in pulling half the rope to the top of the building? Work done = ft - lb Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email Instructor Page generated at 07/20/2023 at 05:42pm MST MacBook Air 30 @ W # N O 11 dele W E R T Y U O P .. . A S D F G H K Z X B N M 96 96 command command option