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#8 8. What is the cross product of the vectors A=-31 +3j -4k and B=4i +2j+k. What is the angle between A and B? 9. What is the scalar product of the vectors A= i +3j -2k and B= i +6j + 3k. What is the angle between A and B? 10. What is the scalar product of the vectors A= -31 +3j -4k and B=41 +2j+ k. What is the angle between A and B? 11. Find the area...
Let the two vectors A=4i+5j+3k,B=-2i+3j-4k, and C=3i-5j+k find: A. S= A+3 B+6C B. (-5A .B).3C C. (3B*2A)+C D. Find the angle a between A and C Let the two vectors A=4i+5j+3k,B=-2i+3j-4k, and C=3i-5j+k find: A. S= A+3 B+6C B. (-5A .B).3C C. (3B*2A)+C D. Find the angle a between A and C
if v=-4i+2j and w=2i-3j then find a= v+w b=b-w c=3v d=2v+2w 7. If v =-4i+ 2j and w = 2i - 3j. Then find (Section 7.6) a. vw b. v -w C. 3v d. 2v2w
Let a = 4i + 2- 6k, b = 5i +63 - 4k and c = 5i + 3 + 6k. Decide if the triple (c,a,b) forms a left or right hand triple of vectors. O O A. (c, a,b) forms a right hand triple. B . (c.a,b) forms neither a left or right hand triple as the vectors are co-planar. O c. (c,a,b) forms a left hand triple.
Let A? =2i+3j and B? =4i?2j. Plot vectors A and B. Draw the vectors with their tails at the origin.
Given the following two vectors: A=2i+6j=3k and B=5i-3j-2k. Find the dot product of the two vectors, the cross product of the two vectors,a nd the angle between them.
Find the length and direction (when defined) of u x v and vxu. u = - 2i - 2j - 4k, v = 2i + 2j + 3k .. uxv = (Type an exact answer, using radicals as needed.)
F1 = 7i-4j+7k at r1= 11i+2j+1k F2= -2i-1j-8k at r2= 2i+1j+4k a) Find moment produced by forces about P(-2,-3,4) b) Replace forces with equivalent force and couple moment acting at origin.
Find the following expressions if a = 2i – 5k, b = i+j - 3k, and c = 4i + 8j + 2k. 1. a. b 2. a.C= 3. b.c=
Suppose u^bar = -4i - 3j - 5k, v^bar = -2i - 3j - 2k and w^bar = i + 3j + 5k. Compute the following values: |u^bar| + |v^bar| = _______ |-6u^bar| + 5|v^bar| = _______ |8u^bar - 5v^bar + w^bar| = _______ 1/|w^bar| w^bar = _______ |1/|w^bar| w^bar| = _______ Enter vector lengths/magnitudes as numbers. Enter vectors using i, j, k notation. For example, 3i + 4j - 2k Use exact values or at least 4 decimal place...