Calculus and Above

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I have questions for a engineer who can solve force vectors.

I have questions for a engineer who can solve force vectors … read more

2] What is the difference between an orthogonal set of

2] What is the difference between an orthogonal set of vectors and an orthonormal set of vectors?… read more

Often a vector is specified by a magnitude and a direction;

Often a vector is specified by a magnitude and a direction; for example, a rope with tension T⃗ exerts a force of magnitude T=20N in a direction θ=35∘ north of east. This is a good way to think of vec… read more

If 𝐸 is a Vector Space, then it contains all possible

If 𝐸 is a Vector Space, then it contains all possible Linear Combinations from vectors of 𝐸.Exercise: Formally prove it, from the definition of VS. Can you help with this please? Thanks… read more

You are flying horizontally along a vector A = 120 m/s i +

You are flying horizontally along a vector A = 120 m/s i + 84 m/s j. A crosswind described by the following vector B = 25 m/s i – 35 m/s j. If the velocity of the plane is described by the sum of the … read more

Describe the surface in ￼ 3 represented by the equation x +

Describe the surface in ￼ 3 represented by the equation x + y = 4.This is the set {(x, 4 − x, z)|x ￼ ￼ , z ￼ ￼ } which is a horizontal plane that intersects the xy-plane in the line y = 4 − x, z = 0. … read more

Here is an equilateral triangle ABC. D E and F are middle

Here is an equilateral triangle ABC. D E and F are middle points of the sides of the triangle.1) Express vector CE in relation to vector BC.2) Express vector AF in relation to vectors AB and BC.3) Exp… read more

If vector u and vector v are two orthogonal vectors of R3 so

If vector u and vector v are two orthogonal vectors of R3 so that ||u||=3 and ||v||=2.1) what is the value of (u + v)•(u - v)?2) what is the value of ||u x v|| ?… read more

Show that vectors u=(1,1,-4), v=(1,-1,0) and w=(2,2,1) form

Show that vectors u=(1,1,-4), v=(1,-1,0) and w=(2,2,1) form an orthogonal base, but not an orthonormal base in R^3. (with steps please)… read more

Suppose u and v are non-zero, non-parallel vectors in Space,

Suppose u and v are non-zero, non-parallel vectors in Space, and suppose w lies in the plane formed by u and v. What is the value of w · (u x v)? Explain your answer.… read more

If vectors: u=(1, 1, -4) v=(1, -1, 0) w=(2, 2, 1) 1) Give

If vectors: u=(1, 1, -4) v=(1, -1, 0) w=(2, 2, 1)1) Give vector p of opposite direction to w and being of length 6 2) What are the directing cosinus of w? 3) Express vector q=(3,4,-16) as a linear com… read more

1. Given vectors u=, v=, and w=, determine whether the

1. Given vectors u=, v=, and w=, determine whether the result of the following expression is a vector or a scalar. (u·4w)u#2. Given vectors u=, v=, and w=, determine whether the result of the followin… read more

I need help for Calculus. Calculus involving vectors. That's

Hello JA: Hi. How can I help? Customer: I need help for Calculus. JA: The Tutor can help you get an A on your homework or ace your next test. Tell me more about what you need help with so we can help … read more

I need a summation equation to be solved. There is equation

I need a summation equation to be solved JA: The Math Tutor can help you get an A on your homework or ace your next test. Tell me more about what you need help with so we can help you best. Customer: … read more

Working to add vectors using cosine law or sine law. Just an

working to add vectors using cosine law or sine law … read more

Ryan I'm need your help. I need to provide an example of a

Ryan I'm need your help. I need to provide an example of a subset of R^2 that is a nontrival subspace of R^2. It must include a description of the subspace as a set. Must prove the subspace has a zero… read more

A jet is flying through a wind that is blowing with a speed

A jet is flying through a wind that is blowing with a speed of 45 mi/h in the direction N 30° E (see the figure). The jet has a speed of 775 mi/h relative to the air, and the pilot heads the jet in th… read more

The medial triangle of a triangle ABC is the triangle whose

The medial triangle of a triangle ABC is the triangle whose vertices are located at the midpoints of the sides AB, AC, and BC of triangle ABC. From an arbitrary point O that is not a vertex of triangl… read more

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.