Question 1A

Item 1 Review | Constants Part A Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.70*106 N , one at an angle 17.0 west of north, and the other at an What is the total work done by the two tugboats on the supertanker? angle 17.0 " east of north, as they pull the tanker a Express your answer in joules, to three significant figures. distance 0.860 km toward the north. > View Available Hint(s) VO ? SubmitItem 2 Review | Constants Part A Object A has 25 J of kinetic energy. Object B has one-quarter the mass of object A. If object B also has 25 J of kinetic energy, is it moving faster or slower than object A? O faster slower Submit Request AnswerPart B Find the ratio of the speeds of objects A and B. Express your answer to two significant figures. VO AEd UA UB Submit Request AnswerPart C By what factor does the speed of each object change if total work -20 J is done on each? Express your answer to two significant figures. VO AEd Ufinal Vinitial Submit Request