Newest Vectors Questions | Wyzant Ask An Expert

04/27/20

What Is The resultant Vector? Please help me! I need this answered today, please!

Two vectors act on a point as shown below. What is the resultant vector? (Carry 3 decimal places throughout calculations and round off to 2 decimal places at end.) ^ ... more

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Vectors Algebra 2 Algebra Resultant Vector

04/24/20

What Is The Resultant Vector? Can someone please, please, please help me. I really don’t get this.

Two vectors act on a point a shown below. What is the resultant vector? ^ | \ 7 | \ | 30° \ |————————— | | 3 V ... more

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Vectors Math Geometry Geometry

04/20/20

Use a sketch graph and the formula for perpendicularity criterion to find the equation of the line perpendicular to the original line passing through (3, 11) and (5, 19).

Either point can be used in work. Please show all working.PLEASE HELP ME, I NEED THIS ANSWER IN THE NEXT HOUR OR TWO!! THANK YOU SM!!

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Vectors Math Graph High School

04/20/20

Use a sketch graph and the formula for perpendicularity criterion to find the equation of the line perpendicular to the original line passing through (3, 11) and (5, 19).

Either point can be used in work. Please show all working.

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Vectors Algebra 2 Algebra

04/17/20

Addition of Vectors:

Add 3∠25° - 5∠125° (Carry 3 decimal places throughout calculations and round off to 2 decimal places at end.)(A) 5.83∠59.04°(B) 6.26∠-26.85°(C) 2.03∠204.97°(D) - 2.00∠-100.00°(E) None of these For... more

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Vectors Math Precalculus Trigonometry

04/03/20

(a)No one interferes with the ball. How long does it take the ball to hit the ground? (b)How far did the ball travel horizontally?

Aurora hit a baseball with an initial velocity of 70 feet per second at an angle of 30° with the horizontal. The ball hit her bat when the ball was 3 feet above the ground. Use answer from part a... more

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Vectors Math Precalculus Trigonometry

04/02/20

Convert r=2/7sinθ-cosθ to rectangular form

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Vectors Math Precalculus Trigonometry

04/02/20

p and q are complex numbers such that |q|=4√5 and |p+q|=9√2. On what interval must |p| fall on?

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Vectors Physics Precalculus

04/02/20

Two forces with magnitudes 33 pound and 74 pounds act on an object at angles of 47° and 132° ,respectively, with the positive x axis. Find the magnitude of the resultant force.

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Vectors Math Precalculus Trigonometry

03/27/20

Compute the magnitude and direction of the combined vectors: 200N of force at 90° and 150N of force at 60°

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Vectors Math Precalculus Trigonometry

03/27/20

a=(2,-3) and b=(1,4) Represent a+b by using the parallelogram method.

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Vectors Linear Algebra Proofs

03/12/20

Prove that the set {v + w, v + x, w − x} is always linearly dependent

Let v, w, x ∈ Rn be vectors. Prove that the set {v + w, v + x, w − x} is always linearly dependent (even if {v, w, x} is linearly independent).

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Vectors Linear Algebra Proofs

03/12/20

If the set {v, w, x} is linearly independent, so is {v+w, v+x, w+x}

Let v, w, x ∈ Rn be vectors. Prove that if the set of vectors {v, w, x} is linearly independent, then so is the set {v + w, v + x, w + x}.

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Vectors Linear Algebra Spans

03/12/20

What is the value of t that would result in span((0, 1, −1),(1, 2, 1),(t, −1, 4))

Determine which values of t ∈ R result in span((0, 1, −1),(1, 2, 1),(t, −1, 4)) being(i) a line(ii) a planeor (iii) all of R3

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Vectors Linear Algebra Trueorfalse Spans

03/12/20

Vectors and Span: True or False

(a) The inverse of a rotation matrix [R^θ] is [R^−θ].(b) If the vectors v1, v2, . . ., v3 are such that no two of these vectors are scalar multiples of each other then they must form a linearly... more

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Vectors Linear Algebra Spans

03/12/20

Vector Sets and Span

For each set of vectors, determine whether their span is {0}, a line, a plane, all of R2, or all of R3.A) {(0, 0), (3, 7)}B) {(1, 2),(3, 4)}C) {(0, 1, −2),(2, 1, 0),(1, 1, −1)}

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Vectors Linear Algebra Subspaces

03/12/20

Determine which of the following vector sets are and aren't in subspaces

A) The graph of the function y = 4x - 2 in R2B) The graph of the function y = cos(x) - 1 in R2C) The set of solutions (x, y, z) in the equation 3x - 4y + 2z = 0D) The set {(x, y) ∈ R2 : x ≥ 0 and y... more

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Vectors Math Algebra 1 Algebra 2

02/25/20

Isosceles triangle 3D Vectors.

Question " The points A and B have position vectors 10i -23j +10k and pi +14j - 22k respectively, relative to a fixed origin O, where p is a constant.Given that ΔOAB is isosceles, find three... more

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Vectors Calculus Vector Valued Functions

02/08/20

Vector Valued Functions

Let r(t)= <sin(10t),cos(10t),sin(10t)cos(20t)>Find the point where r(t) intersects the xy-plane on the interval pi/10 < x < 3pi/20

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Vectors Calculus

01/19/20

What is the x coordinate of the position vector FG if F(-13,3) and G(-4,-2)

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Vectors Linear Algebra Angles Radians

01/18/20

Vector Angles in Radians

Compute the angle in radians between each of the following vectors:a) v = (-2, -2) and w = (2, -2)b) v = (5, 0, 5) and w = (2, 2, 0)c) v = (3, 3, 3, 3) and w = (0, 0, -1, -1)

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Vectors Linear Algebra Rectangle

01/18/20

Vector Question

A rectangle R3 has three of its corners at the points (3,1,1), (2,3,4) and (1,1,2). What are the coordinates of its fourth corner?

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Vectors Linear Algebra True Or False

01/15/20

Vectors: True or False Questions

Determine which of the following statements are true and which are false.(a) There exist vectors v, w ∈ R3 such that ||v|| = 3, ||w|| = 3, and ||v + w|| = 7.(b) There exist vectors v, w ∈ R2 such... more

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Vectors Linear Algebra

01/08/20

Vectors: Solve the following equations for the vector x ∈ ℝ2

x ∈ ℝ2(a) −2x + (0, −1) = (−2, 1) (b) (−4, 0) − x = (1, −1) − 2x (c) 2(x + 2(x + 2x)) = 5(x + 5(x + 5x)

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Vectors Linear Algebra True Or False

01/08/20

Vectors: Determine which of the following statements are true and which are false.

(a) For vectors v, w, z ∈ ℝn , if v + w = v + z then w = z. (b) The vector (3, 2, 1) is a linear combination of the vectors (1, 1, 1) and (1, 1, 0). (c) For vectors v, w, z ∈ ℝn, if v · w = v · z,... more

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What Is The resultant Vector? Please help me! I need this answered today, please!

What Is The Resultant Vector? Can someone please, please, please help me. I really don’t get this.

Use a sketch graph and the formula for perpendicularity criterion to find the equation of the line perpendicular to the original line passing through (3, 11) and (5, 19).

Use a sketch graph and the formula for perpendicularity criterion to find the equation of the line perpendicular to the original line passing through (3, 11) and (5, 19).

Addition of Vectors:

(a)No one interferes with the ball. How long does it take the ball to hit the ground? (b)How far did the ball travel horizontally?

Convert r=2/7sinθ-cosθ to rectangular form

p and q are complex numbers such that |q|=4√5 and |p+q|=9√2. On what interval must |p| fall on?

Two forces with magnitudes 33 pound and 74 pounds act on an object at angles of 47° and 132° ,respectively, with the positive x axis. Find the magnitude of the resultant force.

Compute the magnitude and direction of the combined vectors: 200N of force at 90° and 150N of force at 60°

a=(2,-3) and b=(1,4) Represent a+b by using the parallelogram method.

Prove that the set {v + w, v + x, w − x} is always linearly dependent

If the set {v, w, x} is linearly independent, so is {v+w, v+x, w+x}

What is the value of t that would result in span((0, 1, −1),(1, 2, 1),(t, −1, 4))

Vectors and Span: True or False

Vector Sets and Span

Determine which of the following vector sets are and aren't in subspaces

Isosceles triangle 3D Vectors.

Vector Valued Functions

What is the x coordinate of the position vector FG if F(-13,3) and G(-4,-2)

Vector Angles in Radians

Vector Question

Vectors: True or False Questions

Vectors: Solve the following equations for the vector x ∈ ℝ2

Vectors: Determine which of the following statements are true and which are false.

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