212 Answered Questions for the topic Vectors

6d

#### Sailboat Vector Problem

A boat is sailing across a lake. The boat’s motor can move the boat at a speed of 18 km/hr in still water. Today, there is also a current of 5 km/hr flowing S15° W. Additionally, there is a wind...
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6d

#### Vector Application Problem

During a baseball game on March 24th, 2001, and unlucky bird flew directly in the path of a Randy Johnson fastball. The fastball was traveling due north at a speed of 95 mph, while the bird was...
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Vectors Calculus

10d

#### Line integral along the curve

Find the work done by a force ->F(x,y,z) = <xz, y, xy> along the curve C: ->r(t) = <4cos(t), 4sin(t), 3t> from point A(0 , 4 , 3(pi)/2) to B(-4, 0 , 3(pi) ).

12/02/20

#### Calculus and Vectors

( -5, -8 ) is on the terminal arm of an angle in standard position. The angle is

11/19/20

#### Given the vectors u, v and w in R3, which of the following calculations could result in the answer 3?

Given the vectors u, v and w in R3, which of the following calculations could result in the answer 3?
(u x v) • (v x w)
u x (u - w)
(u • v) (u + w)
||u + v|| w

Vectors Calculus

11/14/20

#### Find the coordinates of R if you know two vertices of the isosceles triangle having coordinates as P(2,3,4) and Q (4,5,6) and distance of two the vertices PR and QR is 5

Find the coordinates of R if you know two vertices of the isosceles triangle having coordinates as P(2,3,4) and Q (4,5,6) and distance of two the vertices PR and QR is 5. Find out the coordiantes of R
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#### What is the direction of the vector *CALCULUS NEED HELP ASAP!

What is the direction of the vector ? (4 points)answer choices
1

09/04/20

#### Application Vectors in Computer Engineering

What kind of concept in vectors applies to the Computer Engineering field?

Vectors Linear Algebra

08/15/20

#### Finding equations of two planes given the equation of the intersection line between them.

I have been given the the equation of an intersection line between two planes as g:x = (3x+1y+0z) + k(0x-2y-6z).I'm supposed to find the equation of the planes from this but i have no clue on how...
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Vectors Trigonometry

07/15/20

#### Let v=-3√2i-4√2j. Find a unit vector that points in the opposite direction as v.

Let v=-3√2i-4√2j. Find a unit vector that points in the opposite direction as v.A.)u=(5/3)i+(5/4)jB.)u=(-3/5)i+(-4/5)jC.)u=(3/5)i+(4/5)jD.)u=(-5/3)i-(5/4)j

Vectors Trigonometry

07/15/20

#### If a force of 30 pounds is directed 30° from the vertical, what vector represents this force?

If a force of 30 pounds is directed 30° from the vertical, what vector represents this force?A.)-15i-15√3jB.)15i+15√3jC.)-15i+15√3jD.)15i-15√3j

Vectors Trigonometry

07/14/20

#### Given the vectors a=3i+4j, b=-2i+5j, c=10i-j, d=(-1/3)i+(5/2)j, find: ǁ-10d-10c-10bǁ

Given the vectors a=3i+4j, b=-2i+5j, c=10i-j, d=(-1/3)i+(5/2)j, find: ǁ-10d-10c-10bǁ

Vectors Trigonometry

07/14/20

#### Find a unit vector in the same direction as the given vector: v=(-1/3)i+(5/2)j

Find a unit vector in the same direction as the given vector: v=(-1/3)i+(5/2)jA.) u=-2i+15jB.) u=(-1/sqrt(229))i+(5/sqrt(229)j)C.) Vector v=(-1/3)i+(5/2)j is a unit...
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Vectors Trigonometry

07/13/20

#### Determine if the two vectors, u and v, are equivalent. Vector u has an initial point P1 and a terminal point P2 and v has an initial point at P3 with the terminal point P4.

Determine if the two vectors, u and v, are equivalent. Vector u has an initial point P1 and a terminal point P2 and v has an initial point at P3 with the terminal point P4.P1 = (8,3) P2 = (6,5) ...
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06/11/20

#### Solve the following system

x+y+2z=-23x-y+14z=6x+3y=-5Please include steps and answerplease also try to explain how to draw the system

06/11/20

#### Determine the equation for a line passing through (2,-3,-7) and parallel to the line of intersection of the planes x+y-z=0 and 5x-6y+6z=5

Please include steps and answers

06/11/20

#### Find the intersection of the line r = (4,2,0) + t(0,1,-5) and the plane 7x-4y+z+7=0

Please include steps and answers

06/11/20

#### Find the Cartesian (scalar) equation for the plane whose vector equation is r=(1,3-4) + s(-2,8,5) + t(1,2,0)

Please include steps and answer

06/11/20

#### A line contains points P(32,-11,20) and Q(-18,-15,12). Write vector, parametric, and symmetric equations for this line.

Please include steps and answers

06/11/20

#### Vectors Question - For the vectors u=(2,-1,1) and v=(0,3,4)

Find the following:U•VU x Vthe angle between U and V to the nearest degreePlease include steps and answer

05/31/20

#### Find (or predict) the intersections of the following planes:

A) x-2y+5z=102x + y = 10B)4x+y-zx-z=-122x+y+z=4Please include steps and answers

05/28/20

#### Find (or predict) the intersections of the following planes:

A) x-2y+5z=10 2x + y = 10B)4x+y-z x-z=-12 2x+y+z=4Please include steps and answer

05/28/20

#### Find the intersection of the plane and line given

r= (0,3,7) + t(1,2,-1)2x-6y-z-2=0Please include steps and answers.

05/28/20

#### Find the intersections of the following lines, if there are any

r=(-2,0,-3) + t(5,1,3)r= (5,8,-6) + s(-1,2,-3)Please include steps and answer

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