The answers will do, you donr have to explain all

2. [-/1 Points] DETAILS LARCALC11 11.4.009 MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the area of the triangle with the given vertices. ( Hint: - Ilu x vil is the area of the triangle having u and v as adjacent Find u * v. v x u, and v * sides. ) u = (1, -6, -5) v = (-4. 8, 4) 4(0, 0, D), B(1, 0, 3), C(-3, 2, 0) (a) uxv Need Help? Read It Wasch I1 Master It v xu Submit Answer ($) vxv 7. [-/1 Points] DETAILS LARCALC11 11.4.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Need Help? Read ! Watch It Both the magnitude and the direction of the force on a crankshaft change as the crankshaft rotates. Find the magnitude of the orque on the crankshaft using the position and data shown in the figure, where F = 1200 Ib. ft-lb 3. [-/1 Points] DETAILS LARCALC11 11.4.013. MY NOTES ASK YOUR TEACHER Consider the following. u - l+j+ k v = 21 + j - k Find u x v. Determine if u * w is orthogonal to both u and v by finding the values below. - (u * v) - Need Help? Read It Watch It - (uxv) - Ou * v Is not arthogonal to both u and v. Oux w is orthogonal to both u and v. Need Help? Read It 8. [-/1 Points] DETAILS LARCALC11 11.4.031. MY NOTES ASK YOUR TEACHER Find u . (v x w). 4. [-/1 Points] DETAILS LARCALC11 11.4.016. W - MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Need Help? Read It Watch It Find a unit vector that is orthogonal to both u and v. = {-8, -6, 4) v = (17, -18, -1) . [-/1 Points] DETAILS LARCALC11 11.4,034.M Need Help? Road H MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find u . (v x w)- u = (2, D, 0) S. [-/1 Points] DETAILS LARCALC11 11.4.023. V - (3, 3, 3) w - (0, 2, 2) MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Verify that the points are the vertices of a parallelngram, and find its area. Need Help? Read It Watch ! Master It A(1, 1, 3), B(B, -2, -6). C(10, 1. -13), D(3, 4, -4) Need Help? Read It Watch It 10. [-/1 Points] DETAILS LARCALC11 11.4.035. MY NOTES ASK YOUR TEACHER Use the triple scalar product to find the volume of the parallelepiped having adjacent edges u, v, and w u = iti 6. [-/1 Points] DETAILS LARCALC11 11.4.025.MI. w = it k MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the area of the triangle with the given vertices. (Hint: - (lux ull is the area of the triangle having u and v as adjacent