1. [-/1 Points] DETAILS LARCALC11 11.4.003. Find the cross product of the unit vectors. j xi Sketch your result. k O O O O Need Help? Read It Watch ItNeed Help? Read It Submit Answer 4. [-/1 Points] DETAILS LARCALC11 11.4.016. Find a unit vector that is orthogonal to both u and v. U = (-8, -6, 4) v = (10, -12, -2) Need Help? Read It Submit Answer 5. [-/1 Points] DETAILS LARCALC11 11.4.023. Verify that the points are the vertices of a parallelogram, and find its area. A(1, 1, 3), 8(5, -5, 11), C(7, -2, 4), D(3, 4, -4) Need Help? Read It Watch It Submit Answer 6. [-/1 Points] DETAILS LARCALC11 11.4.025.MI.Submit Answer 6. [-/1 Points] DETAILS LARCALC11 11.4.025.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOT Find the area of the triangle with the given vertices. (Hint: |lux vl| is the area of the triangle having u and v as adjacent sides. ) A(0, 0, 0), B(1, 0, 3), C(-3, 2, 0) Need Help? Read It Watch It Master It Submit Answer 7. [-/1 Points] DETAILS LARCALC11 11.4.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Both the magnitude and the direction of the force on a crankshaft change as the crankshaft rotates. Find the magnitude of the torque on the crankshaft using the position and data shown in the igure, where F = 1500 lb ft- lb 016 ft Need Help? Read It Watch It 5 6 W E R G SNeed Help? Read It Watch It Submit Answer 8. [-/1 Points] DETAILS LARCALC11 11.4.031. Find u . (v x w). U =I w = k Need Help? Read It Watch It Submit Answer 9. [-/1 Points] DETAILS LARCALC11 11.4.034.MI. Find u . (v x w) u = (4, 0, 0) v = (1, 1, 1) W = (0, 4, 4) Need Help? Read It Watch Mark Submit Answer10. [-/1 Points] DETAILS LARCALC11 11.4.035. Use the triple scalar product to find the volume of the parallelepiped having adjacent edges u, v, and w. v zi+k w = itk N 21 2 Need Help? Read It Watch It Submit Answer 11. [-/1 Points] DETAILS LARCALC11 11.4.040