Homework Answers
![Ñ x Ñ = 1 4 6 -2 16 -4 -4 ! -iſ-24-8) -j (–16+12) ++(26-36] = -321 +45 –f@K 2-326+4j – 52k](http://img.homeworklib.com/questions/a0d32b60-70f9-11ea-b260-f7cd467c309c.png?x-oss-process=image/resize,w_560)
One thing you have to do with these problems is expand the determinant. If you are not sure how the above steps were taken, then I deeply encourage you to watch this short video. She does a great job showing the step by step process. https://www.youtube.com/watch?v=2wTUqZa66ng
Given M 5 i +4- 3 k and N 6 i- 3 j - k, calculate...
Given M 5 i +4- 3 k and N 6 i- 3 j - k, calculate the vector product M x N. 8 Review the definition of the cross product in term of components. i + Need Help? LReadIt 11 watch lt
Given = î + ĵ − 2 and = î − 4 ĵ − , calculate...
Given =
î + ĵ − 2 and
=
î − 4 ĵ − ,
calculate the vector product ✕ .
--i+---j+---k
can you solve this on paper SerPSE10 11.1.OP.001 13 points Given M = 51+6j-2k and N...
can
you solve this on paper
SerPSE10 11.1.OP.001 13 points Given M = 51+6j-2k and N = 51-41-6k, calculate the vector product M x N. + i+ Need Help? Read It Watch It
Given M i2 j - 6 k and N -1-6j -5 k, calculate the vector product...
Given M i2 j - 6 k and N -1-6j -5 k, calculate the vector product iM x N.
Find the component form and the magnitude of the vector v. -10 -8 -6 -4 -2...
Find the component form and the magnitude of the vector v. -10 -8 -6 -4 -2 2 4 6 8 (-9,-2) Need Help? Read It Watch It -/2 POINTS LARAT10 8.3.020. Find the component form and the magnitude of the vector v. Initial Point Terminal Point (-2,5) (5, -19) Need Help? Read It Watch It
1- Two vectors are given as u = 2î – 5j and v=-î +3j. a- Find...
1- Two vectors are given as u = 2î – 5j and v=-î +3j. a- Find the vector 2u + 3v (by calculation, not by drawing). (4 pts) b- Find the magnitudes lil and 17% of the two vectors. (4 pts) c- Calculate the scalar product uov. (5 pts) d- Find the angle 0 between the vectors ū and . (6 pts) e-Calculate the vector product u xv. (6 pts)
A 2 kg object is given a displacement As = -5 m î+ 2 m ſ...
A 2 kg object is given a displacement As = -5 m î+ 2 m ſ - 4 m k along a straight line. During the displacement, a constant force F = 3 Nî - 3 N9 + 3 Nk acts on the object. (a) Find the work done by F for this displacement. (b) Find the component of F in the direction of the displacement.
5) do = E•dA, where E = (28 V/m²) xy î - (8.3 V/m) sin(2z/n) k,...
5) do = E•dA, where E = (28 V/m²) xy î - (8.3 V/m) sin(2z/n) k, and the area element dA = 0.45 dxdz j - 0.89 dxdy k. Find the expression for do by taking the dot product.
5) dợ = E•dA, where E = (28 V/m?) xy î - (8.3 V/m) sin(2z/n) k,...
5) dợ = E•dA, where E = (28 V/m?) xy î - (8.3 V/m) sin(2z/n) k, and the area element dA = 0.45 dxdz j - 0.89 dxdy k. Find the expression for dỏ by taking the dot product.
2. Suppose we are given data on n observations (zi, y), î i, . . ....
2. Suppose we are given data on n observations (zi, y), î i, . . . , n, and we have a linear model, so that E (Y,) = Ao +Ari. Let A = SXY/Sxx and A,-F-Ax be the least-square estimates given in lecture. (a) Show that E(SXY)-ASxx and E(y)-Ao +AT. (b) Use (a) to show that E (A)-A and E(A)-A- In other words, these are unbiased estimators (c) The fitted values Yī = β0+812 i are used as estimates...
Given M 5 i +4- 3 k and N 6 i- 3 j - k, calculate the vector product M x N. 8 Review the definition of the cross product in term of components. i + Need Help? LReadIt 11 watch lt
Given =
î + ĵ − 2 and
=
î − 4 ĵ − ,
calculate the vector product ✕ .
--i+---j+---k
can
you solve this on paper
SerPSE10 11.1.OP.001 13 points Given M = 51+6j-2k and N = 51-41-6k, calculate the vector product M x N. + i+ Need Help? Read It Watch It
Given M i2 j - 6 k and N -1-6j -5 k, calculate the vector product iM x N.
Find the component form and the magnitude of the vector v. -10 -8 -6 -4 -2 2 4 6 8 (-9,-2) Need Help? Read It Watch It -/2 POINTS LARAT10 8.3.020. Find the component form and the magnitude of the vector v. Initial Point Terminal Point (-2,5) (5, -19) Need Help? Read It Watch It
1- Two vectors are given as u = 2î – 5j and v=-î +3j. a- Find the vector 2u + 3v (by calculation, not by drawing). (4 pts) b- Find the magnitudes lil and 17% of the two vectors. (4 pts) c- Calculate the scalar product uov. (5 pts) d- Find the angle 0 between the vectors ū and . (6 pts) e-Calculate the vector product u xv. (6 pts)
A 2 kg object is given a displacement As = -5 m î+ 2 m ſ - 4 m k along a straight line. During the displacement, a constant force F = 3 Nî - 3 N9 + 3 Nk acts on the object. (a) Find the work done by F for this displacement. (b) Find the component of F in the direction of the displacement.
5) do = E•dA, where E = (28 V/m²) xy î - (8.3 V/m) sin(2z/n) k, and the area element dA = 0.45 dxdz j - 0.89 dxdy k. Find the expression for do by taking the dot product.
5) dợ = E•dA, where E = (28 V/m?) xy î - (8.3 V/m) sin(2z/n) k, and the area element dA = 0.45 dxdz j - 0.89 dxdy k. Find the expression for dỏ by taking the dot product.
2. Suppose we are given data on n observations (zi, y), î i, . . . , n, and we have a linear model, so that E (Y,) = Ao +Ari. Let A = SXY/Sxx and A,-F-Ax be the least-square estimates given in lecture. (a) Show that E(SXY)-ASxx and E(y)-Ao +AT. (b) Use (a) to show that E (A)-A and E(A)-A- In other words, these are unbiased estimators (c) The fitted values Yī = β0+812 i are used as estimates...
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