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Hello I need help on these questions 2,3, and 4, work would be helpful so i could understand but if that is alot of work

Hello I need help on these questions 2,3, and 4, work would be helpful so i could understand but if that is alot of work than no worries, thank you so much I appreciate it alot!

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2. [0/2 Points] DETAILS PREVIOUS ANSWERS SERPSE10 11.1.OP.003.MI. 1/6 Submissions Used Two vectors are given by A = 3 1 + 6 j and B = -1i+ 2j. (a) Find A x B. 11.61895 X Review the definition of the cross product in term of components. k (b) Find the angle between A and B. 60.26 X You can use the definition of the cross product or the dot product to find this angle. . Need Help? Read It Master It3. [-/4 Points] DETAILS SERPSE10 11.1.OP.004. 0/6 Submissions Used The figure below shows forces acting at various points on a metal cylinder. The angles a = 420, B = 330, y = 150. The length { = 4.4 m. Find the net torque (in N . m) on the cylinder about the following axes. 25 N O Y 10 N 30 N (a) an axis through O perpendicular to the page magnitude N . m direction ---Select--- v (b) an axis through C perpendicular to the page magnitude N . m direction --Select--- Need Help? Read It4. [-13 Points] DETAILS SERPSE1O 11.1.0P.005. 0/6 Submissions Used Consider the vectors 3 = 723 + 43 SI: and E = 4i 73 + 6E. Calculate the following quantities. (Give your answers in degrees.) (a) cos'1(A ' B) AB (c) which give(s) the angle between the vectors? (Select all that apply.) [:1 The answer to Part (a). C] The answer to Part (b). Need Help? Bud"

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