Vector (Cross) Product 1. Find the vector product (2j-2k) x 5k. Sketch all three vectors onto the coordinate system below Answer: 10 Find the vector product of i+4j-3k and -2i+j-5k. Prove that your answer is perpendicular to the first two vectors by using the dot product Answer: -17i+11j+9k or 17i-11j-9k, depending on the order in which you took the cross product. 2.
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...
Let →a=2→i−5→j−2→ka→=2i→-5j→-2k→ and →b=5→i−→kb→=5i→-k→. Find
−→a+→b-a→+b→.
Let ā = 27 – 53 – 2k and 7 = 57 - K. Find - ã+ 7. <3i Х 5j k X>
X = o,1,2,3 and P(X)= 2k,3k,13k,2k. how is this problem done? a random variable X has a probability distribution as follows done? What is K and why is its value .05 Total probability = 1 2k+3k+13k+2k= 1 k= .05 p(x<2)= 2k + 3k = 5k = 5*.05=.25 Answer is B 0.25
(1 point) Suppose u 2i +2j + 5k, v = -4i - k and w Compute the following values: -i-4j+ 2k. Jul v=| 4 1-7ul+8v 6v+w 2u W- w 1 w
4. Determine the scalar triple product of the vectors: 3i2k and c = 3i+ j + 2k a i2jk; b 5. Ifa 3i 2j - k; b = 2i +5j - kand C i + 2j - 2k, find: ax (b x c) (ax b) x t i. ii
4. Determine the scalar triple product of the vectors: 3i2k and c = 3i+ j + 2k a i2jk; b 5. Ifa 3i 2j - k; b = 2i +5j -...
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What is the scalar product of -i + 3j + 2k and 3i – 2j + 2k, where i, j and k are the Cartesian unit vectors? Select one: O A. 12 OB. -7 OC. 7 OD. -5 O E. 5 What is the derivative of 4.25/4? Select one: A. 9c9/4 1629/4 B. 9 C. 5x1/4 D. 4.c 1/4 O E. 16.1/4 Which of the following is the c-coordinate of a stationary point of 3x3 – 9.x2...
Evaluate the vector cross product ( 2.89 i ) × ( -7.45 i + 5.09 j + 4.03 k ). Enter the result in component form: Can someone please walk me through how to do this?
How is A∧B = i(AxB)? Here the ^ means wedge product, i means imaginary part, and x is the cross product between A and B on the right hand side.