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Exam 3: Vectors and Coordinate Systems

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Exam 1: Concepts of Motion52 Questionsadd course
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Exam 3: Vectors and Coordinate Systems33 Questionsadd course
Exam 4: Kinematics in Two Dimensions50 Questionsadd course
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Exam 6: Dynamics I: Motion Along a Line46 Questionsadd course
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Exam 13: Newtons Theory of Gravity50 Questionsadd course
Exam 14: Fluids and Elasticity72 Questionsadd course
Exam 15: Oscillations49 Questionsadd course
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Exam 18: A Macroscopic Description of Matter46 Questionsadd course
Exam 19: Work, Heat, and the First Law of Thermodynamics96 Questionsadd course
Exam 20: The Micromacro Connection41 Questionsadd course
Exam 21: Heat Engines and Refrigerators44 Questionsadd course
Exam 22: Electric Charges and Forces26 Questionsadd course
Exam 23: The Electric Field32 Questionsadd course
Exam 24: Gausss Law41 Questionsadd course
Exam 25: The Electric Potential40 Questionsadd course
Exam 26: Potential and Field57 Questionsadd course
Exam 27: Current and Resistance32 Questionsadd course
Exam 28: Fundamentals of Circuits68 Questionsadd course
Exam 29: The Magnetic Field83 Questionsadd course
Exam 30: Electromagnetic Induction66 Questionsadd course
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Exam 36: Relativity49 Questionsadd course
Exam 37: The Foundations of Modern Physics7 Questionsadd course
Exam 38: Quantization45 Questionsadd course
Exam 39: Wave Functions and Uncertainty18 Questionsadd course
Exam 40: One-Dimensional Quantum Mechanics32 Questionsadd course
Exam 41: Atomic Physics41 Questionsadd course
Exam 42: Nuclear Physics65 Questionsadd course
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In the figure, the magnitude of vector In the figure, the magnitude of vector is 18.0 units, and the magnitude of vector is 12.0 units. What vector must be added to the vectors and so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive. is 18.0 units, and the magnitude of vector In the figure, the magnitude of vector is 18.0 units, and the magnitude of vector is 12.0 units. What vector must be added to the vectors and so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive. is 12.0 units. What vector In the figure, the magnitude of vector is 18.0 units, and the magnitude of vector is 12.0 units. What vector must be added to the vectors and so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive. must be added to the vectors In the figure, the magnitude of vector is 18.0 units, and the magnitude of vector is 12.0 units. What vector must be added to the vectors and so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive. and In the figure, the magnitude of vector is 18.0 units, and the magnitude of vector is 12.0 units. What vector must be added to the vectors and so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive. so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector In the figure, the magnitude of vector is 18.0 units, and the magnitude of vector is 12.0 units. What vector must be added to the vectors and so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive. by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive. In the figure, the magnitude of vector is 18.0 units, and the magnitude of vector is 12.0 units. What vector must be added to the vectors and so that the resultant of these three vectors points in the -x direction and has a magnitude of 7.50 units? Use vector components to find your answer, and express vector by giving its magnitude and the angle it makes with the +x-axis taking counterclockwise to be positive.

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Question 1
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15.5, 209°

Vector Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? = -1.00 Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? + -2.00 Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? and vector Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? = 3.00 Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? + 4.00 Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? . What are the magnitude and direction of vector Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? = 3.00 Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? + 2.00 Vector = -1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = 3.00 + 2.00 ? ?

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Question 2
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C

You walk You walk to the north, then turn 60° to your right and walk another How far are you from where you originally started? to the north, then turn 60° to your right and walk another You walk to the north, then turn 60° to your right and walk another How far are you from where you originally started? How far are you from where you originally started?

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Question 3
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A

A rabbit trying to escape a fox runs north for 8.0 m, darts northwest for 1.0 m, then drops 1.0 m down a hole into its burrow. What is the magnitude of the net displacement of the rabbit?

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Question 4

If A > B, under what condition is | If A > B, under what condition is | - | = A - B? - If A > B, under what condition is | - | = A - B? | = A - B?

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Question 5

Which of the following is an accurate statement?

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Question 6

Vector Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? = 1.00 Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? + -2.00 Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? and vector Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? = 3.00 Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? + 4.00 Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? . What are the magnitude and direction of vector Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? = Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? + Vector = 1.00 + -2.00 and vector = 3.00 + 4.00 . What are the magnitude and direction of vector = + ? ?

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Question 7

The components of vector The components of vector are = + 3.90 and = -4.00. What is the angle measured counterclockwise from the +x-axis to vector ? are The components of vector are = + 3.90 and = -4.00. What is the angle measured counterclockwise from the +x-axis to vector ? = + 3.90 and The components of vector are = + 3.90 and = -4.00. What is the angle measured counterclockwise from the +x-axis to vector ? = -4.00. What is the angle measured counterclockwise from the +x-axis to vector The components of vector are = + 3.90 and = -4.00. What is the angle measured counterclockwise from the +x-axis to vector ? ?

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Question 8

Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor? = 1.0 N, Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor? = 8.0 N and Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor? = 7.0 N, where N is the standard unit of force, what is the component of the net force Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor? net = Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor? 1 + Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor? 2 + Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor? 3 parallel to the floor? Three forces are exerted on an object placed on a tilted floor. Forces are vectors. The three forces are directed as shown in the figure. If the forces have magnitudes = 1.0 N, = 8.0 N and = 7.0 N, where N is the standard unit of force, what is the component of the net force <sub>net</sub> = <sub>1 </sub>+ <sub>2 </sub>+ <sub>3</sub> parallel to the floor?

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Question 9

If If - = 0, then the vectors and have equal magnitudes and are directed in the opposite directions from each other. - If - = 0, then the vectors and have equal magnitudes and are directed in the opposite directions from each other. = 0, then the vectors If - = 0, then the vectors and have equal magnitudes and are directed in the opposite directions from each other. and If - = 0, then the vectors and have equal magnitudes and are directed in the opposite directions from each other. have equal magnitudes and are directed in the opposite directions from each other.

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Question 10

A teacher sends her students on a treasure hunt. She gives the following instructions: 1. Walk 300 m north 2) Walk 400 m northwest 3) Walk 700 m east-southeast and the treasure is buried there. As all the other students walk off following the instructions, Jane physics student quickly adds the displacements and walks in a straight line to find the treasure. How far and in what direction does Jane need to walk?

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Question 11

The components of vector The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? are The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? = -3.5 and The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? = -9.7, and the components of vector The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? are The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? = -6 and The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? = +8.1. What is the angle (less than 180 degrees) between vectors The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? and The components of vector are = -3.5 and = -9.7, and the components of vector are = -6 and = +8.1. What is the angle (less than 180 degrees) between vectors and ? ?

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Question 12

The magnitude of a vector can never be less than the magnitude of one of its components.

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Question 13

The components of vector The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? are The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? = +2.2 and The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? = -6.9 , and the components of vector The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? are given are The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? = -6.1 and The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? = -2.2. What is the magnitude of the vector The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? - The components of vector are = +2.2 and = -6.9 , and the components of vector are given are = -6.1 and = -2.2. What is the magnitude of the vector - ? ?

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Question 14

For the vectors shown in the figure, express vector For the vectors shown in the figure, express vector in terms of vectors and . in terms of vectors For the vectors shown in the figure, express vector in terms of vectors and . and For the vectors shown in the figure, express vector in terms of vectors and . . For the vectors shown in the figure, express vector in terms of vectors and .

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Question 15

Vectors Vectors and are shown in the figure. What is ? and Vectors and are shown in the figure. What is ? are shown in the figure. What is Vectors and are shown in the figure. What is ? ? Vectors and are shown in the figure. What is ?

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Question 16

If If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? = +4 If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? - 2 If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? - 3 If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? and If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? = -4 If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? -2 If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? - 3 If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? , which of the following numbers is closest to the magnitude of If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? - If = +4 - 2 - 3 and = -4 -2 - 3 , which of the following numbers is closest to the magnitude of - ? ?

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Question 17

If the eastward component of vector If the eastward component of vector is equal to the westward component of vector and their northward components are equal. Which one of the following statements about these two vectors is correct? is equal to the westward component of vector If the eastward component of vector is equal to the westward component of vector and their northward components are equal. Which one of the following statements about these two vectors is correct? and their northward components are equal. Which one of the following statements about these two vectors is correct?

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Question 18

Vectors Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? and Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? are shown in the figure. Vector Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? is given by Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? = Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? - Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? . The magnitude of vector Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? is 16.0 units, and the magnitude of vector Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? is 7.00 units. What is the magnitude of vector Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ? ? Vectors and are shown in the figure. Vector is given by = - . The magnitude of vector is 16.0 units, and the magnitude of vector is 7.00 units. What is the magnitude of vector ?

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Question 19

Under what condition is | Under what condition is | - | = A + B? - Under what condition is | - | = A + B? | = A + B?

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Question 20
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