256 Answered Questions for the topic Vectors

01/08/20

Vector Parallelogram Question
If a parallelogram has diagonals described by the vectors x = (5, 4) and y = (3, βˆ’2), what are the sides v and w of that parallelogram?
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Vectors Math Trigonometry

12/08/19

Find boat's true speed and heading?
A small boat leaves the dock at Camp DuNuthin and heads across the Nessie River at 18 miles per hour, relative to the water, at a bearing of S61Β° W . The river is flowing due east at 6 miles per... more
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Vectors Trigonometry

12/03/19

Trig question on bearing of a plane using vectors
A plane is heading due south with an airspeed of 211 mph. A wind from a direction of 53 degrees is blowing at 17 mph. Find the bearing of the plane.
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11/24/19

Verification of Stokes Theorem

Could someone explain how do we verify stokes theorem for the vector field F=zi + (2x+z)j + xk taken over the triangular surface S in the plane (x/1)+(y/2)+(z/3)=1 bounded by the planes x=0 y=0 and... more
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11/24/19

Spherical and cylindrical polar coordinates

How do we diffentiate in between when to use spherical polar coordinates and cylindrical polar coordinates for a transformation in a vector calculus question(line integral, stokes theorem etc.)
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11/23/19

Equation of a plane
How do we fins the equation of the line through (-1,3,2) and perpendicular to the plane x+2y+2z=3, the length of the perpendicular and the coordinates of the foot
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Vectors Linear Algebra

10/31/19

HELP! Vectors - collision
Two boats, A and B, are moving in straight lines and the position of each particle after t seconds is given by the following equations: 𝒓𝐴 = 2π‘‘π’Š + (30 βˆ’ 𝑑)𝒋 𝒓𝐡 = 2π‘‘π’Š + 60𝒋 βˆ’ 4𝑑𝒋 (a) Find the... more
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Vectors Linear Algebra

10/31/19

Help me! Math Vectors! A helicopter wishes to fly directly East at 100 km/h.

A helicopter wishes to fly directly East at 100 km/h. If a constant wind blows directly from the North-East at 40 km/h, find the direction and velocity of the wind speed that must be maintained in... more
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10/19/19

Vectors - lines and equations

1) How do we find the perpendicular distance of a point C=c fron the straight line (r-a)^b =02) how do we find the shortest distance between the two skew lines (r-a)^b =0 and (r-c)^d =0
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09/20/19

Physics, Vectors and resultant vectors
1) A dog is on a street chasing cars. He runs 30m west and stops. He then chases another car 20m north before chasing the mailman 60m East...a) What is the dogs distance traveled?..b) What is the... more
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Vectors Physics

08/27/19

vectors and velocity
an airplane is taking off headed due north with an air speed of 173mph at an angle of 18\deg relative to the horizontal. the wind is blowing with a velocity of 42 miles per hour at an able of... more
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Vectors Physics

08/12/19

a vector points in north west direction.the negative of this vector will point in which direction
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Vectors Physics Forces

07/31/19

Where am I confused about force addition?
As far as my knowledge is concerned, a vector quantity should possess magnitude and direction & more over it should also obey the laws of vector addition. As we all know that the vector sum of... more
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07/31/19

Torque direction meaning?
I apologize if this question is dumb, but I've looked all over for a straightforward answer and either I can't find one or the terms are too complex for me to understand. I have only a rudimentary... more
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07/30/19

Understanding the trajectory of a projectile?
It is stated that a projectile's motion can be divided into individual vectors. Now according to the laws of physics, the forces acting in the y-direction will never cancel or affect the force... more
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Vectors Algebra 2

07/25/19

Given that AB=-5/0 and CD=t/-3 find 2 possible values of t if size AB is equal to CD
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Vectors Physics

06/14/19

The velocity of a particle at time t is : vextor V = ti + t^2k if at time t = 0 , the particle is at origin, find its position vector
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Vectors Trigonometry

06/14/19

Given that vector Q = Sinti + Costj + tk. Find the size of d^3vectorQ/dt^3
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Vectors Trigonometry

06/14/19

Determine the value of P so that vector N = 2i + pj + k and vector M = 4i - 2j - 2k are perpendicular
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06/14/19

If vector OA = 4i + 3j , OB = 6i - 2j , OC = 2i - j , find vector AB,BC and CA and deduce the lengths of the sides of the triangle ABC
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06/02/19

Mechanics question (Vectors)
I'm really confused as to what I'm supposed to do here can someone please explain...The question is:The horizontal unit vectors i and j are in the directions east and north respectively.A model... more
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Vectors Calculus

05/23/19

VECTOR PROBLEM WITH FORCE
A block slides 42 m down a ramp that makes an angle of 60 degrees with the ground. Determine the mass of the block if 10 400 J of work was done. (Assume 1 kg exerts a force of 9.8 N).
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Vectors Physics

05/04/19

What is the total of 32.2 KM W35degrees North and 24.6 km W72degrees south
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Vectors Physics

05/04/19

What are the components of the vector 73.8 W41 degrees north
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04/30/19

What is an orthogonal vector to (4, 2)?
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