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46 Answered Questions for the topic Vector Calculus

Vector Calculus

06/25/17

MY QUESTION IS VERY DETAIL PLEASE CHECK DISCRIBTION

you are on a boat 400 m from the closest point Perpendicular on the beach. you want to visit your friend who is located another 1km along the beach. if you can row pedal boat at a constant speed of... more

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Vector Calculus Calculus Calculus 3

03/30/17

Lagrange Multipliers

Find all of the extrema of g(x,y,z)=xyz on the surface z=e^(-x^2-y^2).

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Vector Calculus Math Calculus Calculus 3

03/15/17

Use differentials to approximate

Use differentials to find the approximate amount of copper used in the four sides and bottom of a rectangular copper tank that is 6 feet long, 4 feet wide and 3 feet deep inside if the sheet of... more

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Vector Calculus Math Calculus Calculus 3

03/12/17

Vector Fields

For each vector field in R4 given below, either find a function for which it is the gradient, or explain why no such function exists. Variables are in the order x, y, z, w. a.(siny + wcosx + 1)e1 +... more

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Vector Calculus Physics Math Help Vector

12/15/16

Vector physics help!

Suppose a body has a force of 10 pounds acting on it to the right, 25 pounds acting on it -135° from the horizontal, and 5 pounds acting on it directed 150° from the horizontal. What single force... more

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Vector Calculus Precalculus Math Help Vector

12/15/16

If vector v has an initial point and a terminal point write v as multiples of the basis vectors, write v in the form v = ai + bj.

If vector v has an initial point at P1 and a terminal point at P2, write v as multiples of the basis vectors i = <1,0> and j = <0,1> That is, write v in the form v = ai + bj. P1 =... more

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Vector Calculus Precalculus Math Help Vector

12/15/16

Find a unit vector that points in the opposite direction as v.

Find a unit vector that points in the opposite direction as v. Let .v=-3(pi 2)i-4(pi 2)j A. u= (3/5)i+(4/5)j B. u= -(3/5)i-(4/5)j C. u= -(5/3)i-(5/4)j D. u= (5/3)i+(5/4)j

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Vector Calculus

12/04/16

Vector5.13

Find a unit vector in the direction of the vector v=〈√2,√2〉. Please show step by step work to solution and provide final answer. Please and Thank You!

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Vector Calculus

11/24/16

Vector space

X1 = [ 1 -1 1] x2 = [1 0 -1] create a matrix A having X1 and x2 as its Rows. The null space V of A consist of all vector x such that Ax =0. List all vector in V.

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Vector Calculus

10/17/16

Shortest diagonal distance

We have an empty cardboard box of dimensions breadth = 3 m, length = 4 m, and height = 2 m. An ant and a fly are sitting at one of the 8 corners inside the box and wish to go get some food at the... more

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Vector Calculus Calculus Parametric Curves Parametric Equations

10/08/16

Vector Functions and Space Curves PLEASE HELP!

At what points does the curve r(t) = ti + (4t − t^2)k intersect the paraboloid z = x^2 + y^2? (If an answer does not exist, enter DNE.) smaller t-value (x, y, z) = larger t-value (x, y, z)... more

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Vector Calculus Vectors Calculus 3 Calculus 2

10/03/16

CALC 3 : Is the line through (-4, -6, 1) and (-2, 0, -3) parallel to the line through (8, 19, 8) and (3, 4, 18)?

Is the line through (−4, −6, 1) and (−2, 0, −3) parallel to the line through (8, 19, 8) and (3, 4, 18)? Please use something along the lines of parametric and symmetric equations! This is... more

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Vector Calculus Vector Vector Geometry Trigonometry Vectors

08/29/16

Vector Analysis Arc Length, Unit tangent, unit Normal and curvature

Let C be the curve given by the equation, R(t)= sin t i + cos t j + log sec t k (0≤t<π/2) Find: a.) the element of arc length, ds, along C, in terms of t. b.) the unit tangent T. c.)... more

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Vector Calculus Linear Algebra

04/01/16

Linear Algebra (Vector Space)

Determine whether s is a basis for the indicated vector space S= {(1,2),(1,-1)} for R2

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Vector Calculus Calculus 3 Plane Vectors Plane

02/16/16

Find the line orthogonal to plane

Find the line orthogonal to plane spanned by vector v= i-5j and vector 3k passing through (2,3,1)

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Vector Calculus Vector Vector Geometry Vectors

01/21/16

How do you add 2D vectors a+b with the component method?

How do you add 2D vectors a+b if the magnitude of vector a is 10, its angle with (+) x-axis is 45 and angle with (+) y-axis is 45 ... then vector b has a magnitude of 3 angle with (+) x-axis... more

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Vector Calculus Calculus

08/03/15

Why can the divergence of a vector field be expressed as the dot product between the gradient and the vector?

I understand the intuition of divergence, but want to understand this part of its mechanics. Thanks

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Vector Calculus

04/25/15

vectors magnitude

I do not understand how to set up the following problem:"Forces of 20 lb and 32 lb make an angle of 52 degrees with each other. find the magnitude of the resultant force."An actually picture would... more

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Vector Calculus Angle Graphing Vector

05/17/14

Applications of the Dot Product (Vectors)

Determine the angle between vector PQ and the positive x-axis, given endpoints P(4,7) and Q (8,3)

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Vector Calculus Graphing Triangles Vector

05/17/14

Applications of the Dot Product (Vectors)

Determine the interior angles of triangle ABC for A(5,1), B(4, -7), and C (-1,-8)

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Vector Calculus Forces Vector Cartesian Graph

05/17/14

Applications of the Dot Product (Vectors)

A force, F of 25 N is acting in the direction of a = (6,1). a) Find a unit vector in the direction of a. b) Find the Cartesian vector representing the force, f, using your answer from part a) more

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