256 Answered Questions for the topic Vectors

Vectors

05/13/16

find a unit vector U with the same direction as x= {-40,9}
this is so hard for me
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Vectors

04/24/16

Carrom board how the queen at the centre. The queen hit by the striker moves to front edge rebounds and goes in the hole behind striking line.
In above question find magnitude of displacement of queen from centre to the front edge
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Vectors

04/14/16

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?
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Vectors

04/14/16

Determine the angle measure between vectors u and v: u = – 3i + 3j and v = 3i + 2j
Determine the angle measure between vectors u and v: u = – 3i + 3j and v = 3i + 2j
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Vectors

04/14/16

Determine the angle measure between vectors u and v: u = 4i – 2j and v = i + 3j
Determine the angle measure between vectors u and v: u = 4i – 2j and v = i + 3j .
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Vectors

04/14/16

Let v=square root of 2i - 3 square root of 2j. Find a vector, w, that is 4 times the length of v and points in the same direction as v.
Let v=square root of 2i - 3 square root of 2j. Find a vector, w, that is 4 times the length of v and points in the same direction as v.
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Vectors Math Maths Math Help

04/07/16

Maths Vectors Question
Show that, for all vectors, u and v, |u x v|^2 = |u|2|v|2 - |u.v|2
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03/17/16

Trig Vector Question, What is the ground speed of the plane?
An airplane has an airspeed of 500 kilometers per hour bearing N45°E. The wind velocity is 60 kilometers per hour in the direction N30°W. Find the resultant vector representing the path of the... more
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02/24/16

Find the inequalities inside a right angle triangle
the right angle triangle ABC has three vertices A(-3,5) B(3,5) C(-3,-1) the equation of the line BC is y= x + 2 write down the inequalities which define the region INSIDE the triangle ABC the... more
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Vectors Physics Angle Vector

02/03/16

What are the components in terms of the angle & magnitude?
What are the x & y components of vector E in terms of the angle σ & the magnitude E?   For the same vector, what are the x & y components in terms of the angle ø & the magnitude... more
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Vectors

02/02/16

A canoe sets out on a course given by the vector <5,11>. What is the length of the canoe's course to the nearest unit?
i need the distance to the nearest degree
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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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Vectors Linear Algebra

01/08/16

equations and vectors
Given the following parametric equation of the line l:x = 2 − 7t, y = 3 + 4t, z = −t, t ∈ R,give two points on l and a vector parallel to l.
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Vectors Linear Algebra

01/08/16

Find the Equation of the plane
Find the equation of the plane which contains the point ( 2/3, −1, 3) and has normalvector 3i − 2j + 9k. Also, find another two points on this plane which are differentfrom ( 2/3, −1, 3).
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Vectors Physics

01/08/16

A descent vehicle landing on Mars has a vertical velocity toward the surface of Mars of 6.5 m/s. At the same time, it has a horizontal velocity of 2.0 m/s.
how would you solve this? thanks
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Vectors Physics

01/07/16

A diver running 1.7 m/s dives out horizontally from the edge of a vertical cliff and 3.5 s later reaches the water below. How high was the cliff?
how would you solve this?
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Vectors Physics

01/06/16

A ball thrown horizontally at 22.1 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the building?
how would you do this?
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Vectors Physics

01/06/16

A ball is thrown horizontally from the roof of a building 54 m tall and lands 35 m from the base. What was the ball's initial speed?
how would you do this?
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Vectors Physics

01/06/16

A ball is thrown horizontally from the roof of a building 54 m tall and lands 35 m from the base. What was the ball's initial speed?
how would you solve this??
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11/12/15

Evaluating with Vectors
For the vectors u=(-3,-2) and v=(4,-2), evaluate the following:   a) The magnitude (length) of vector u (simplified radical form) b) A unit vector in component form which has the same direction... more
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10/11/15

Repeated posting: Add these vectors or subtract them? corrected a typo in the problem
  A jet plane intended to be on a velocity and course of 870 knots, 44 degrees south of west encounters wind. The flight tower shows that their actual velocity and path is 840 knots, 49 degrees... more
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10/11/15

Add these vectors or subtract them?
  A jet plane set to be on a velocity and course of 840 knots, 44 degrees south of west encounters wind. The flight tower shows that their actual velocity and path is 840 knots, 49 degrees south... more
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07/26/15

Two ships are 10 mi apart and traveling in the same direction at 29 knots with one ...
Two ships are 2 mi apart and traveling at 25 knots. The lead ship executes a turn 25° to port(left) at the same time that the trailing ship executes a 25° turn to starboard (right). How long does... more
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Vectors Physics

05/21/15

Vector help, please!
I feel like the answer is right in front of me. I just keep arriving at the same solution which is apparently the wrong one. Could someone guide me to an easier way of approaching this problem that... more
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Vectors Forces

05/16/15

Using a vector diagram, why is it easier to do chin ups when your hands are 30 cm apart instead of 90cm apart?
assume that the force exerted by your arms is the same in both cases
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