Physics Physics Practice Problems Solutions Library

# Unit Vectors Solutions Library

Access 20 Unit Vectors video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Unit Vectors learn videos.

### Browse Solutions

20 solutions

Unit Vectors

#### Q. Write an expression for the vector difference  using unit vectors.  Express your answer in terms of unit vectors.

Solved • Jul 10, 2020

Unit Vectors

#### Q.  Given the vector A=4.00i+7.00j and vector B=5.00i−2.00j, 1. Find the direction of the vector difference A−B. ∘ counterclockwise from +x direction ...

Solved • Jun 4, 2020

Unit Vectors

#### Q.  Given the vector A=4.00i+7.00j and vector B=5.00i−2.00j, 1. Write an expression for the vector difference A−B using unit vectors 2. Find the magni...

Solved • Jun 4, 2020

Unit Vectors

#### Q. LetWhat is the direction of vector E⃗?

Solved • Jun 4, 2020

Unit Vectors

#### Q. LetWhat is the magnitude of vector E⃗?

Solved • Jun 4, 2020

Unit Vectors

#### Q. 1. Given the vector A=4.00i+7.00j, find the magnitude of the vector 2. Given the vector B=5.00i−2.00j, find the magnitude of the vector.

Solved • May 26, 2020

Unit Vectors

#### Q. LetDraw vectors A⃗ , B⃗ , and E⃗ .Draw the vectors starting at the origin. The location, orientation, and length of the vectors will be graded.

Solved • May 21, 2020

Unit Vectors

#### Q. You are given two vectors: A = −3.00 î + 5.00 ĵ and B = 8.00 î + 2.00 ĵ. Let the counterclockwise angles be positive. What angle θB, where 0° ≤...

Solved • May 6, 2020

Unit Vectors

#### Q. You are given two vectors: A = −3.00 î + 5.00 ĵ and B = 8.00 î + 2.00 ĵ. Let the counterclockwise angles be positive. Vector C is the sum of A ...

Solved • May 6, 2020

Unit Vectors

#### Q. a) Write the vector  A  in the figure (Figure 1) in terms of the unit vectors  î  and  ĵ.b) Write the vector  B  in the figure in terms of the un...

Solved • May 1, 2020

Unit Vectors

#### Q. You are given two vectors: A = −3.00 î + 5.00 ĵ and B = 8.00 î + 2.00 ĵ. Let the counterclockwise angles be positive. What angle θA, where 0° ≤...

Solved • Apr 30, 2020

Unit Vectors

#### Q. For the three vectors shown in (Figure 1), A + B + C = 1 ĵ. (Not necessarily to scale.)(a) Write B in component form. Express your answer in terms...

Solved • Apr 29, 2020

Unit Vectors

#### Q. Find the angle between each of the following pairs of vectors A = Axi+Ayj and B = Bxi+ByjA) Ax1=-3.80, Ay1=4.60, Bx1=1.20, By1=-2.90B) Ax2=2.00, Ay...

Solved • Apr 21, 2020

Unit Vectors

#### Q. What is the sum of the following four vectors in (a) unit-vector notation, and as (b) a magnitude and (c) an angle?

Solved • Nov 6, 2019

Unit Vectors

#### Q. Let V = 20.5 i + 22.5 j − 13.5 k.(a) Find the magnitude of V.(b) What angle does this vector make with the x-, y-, and z-axes?

Solved • Oct 31, 2018

Unit Vectors

#### Q. Given two vectors A = - 2.00 i + 4.00 j + 5.00 k and B = 3.00 i + 2.00 j - 3.00 k, find the following.(a) the magnitude of vector A(b) the magnitud...

Solved • Oct 29, 2018

Unit Vectors

#### Q. Let A = 4 î − 2 ĵ, B = −3 î + 5 ĵ, and F = A − 4B .a. Write vector F in component form.b. Draw a coordinate system and on it show vectors A, B,...

Solved • Oct 29, 2018

Unit Vectors

#### Q. If A = i - j + k and B = -3i + 5k, what is A - B?

Solved • May 9, 2017

Unit Vectors

#### Q. Find A + B, givenA = 3i - 2j + 4kB = -2i - 3j - k

Solved • May 9, 2017

Unit Vectors

#### Q. Given the vectors in the following graph, write  (A - B) + C in vector notation ( i.e  a = axî + ayĵ)

Solved • Jan 5, 2017