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What are the x– and y–components of the vector E? 1. E x = E cos , E y = E sin  2. E x = E sin , E y = E cos  3. E x = –E cos , E y = –E sin  4.

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Presentation on theme: "What are the x– and y–components of the vector E? 1. E x = E cos , E y = E sin  2. E x = E sin , E y = E cos  3. E x = –E cos , E y = –E sin  4."— Presentation transcript:

1 What are the x– and y–components of the vector E? 1. E x = E cos , E y = E sin  2. E x = E sin , E y = E cos  3. E x = –E cos , E y = –E sin  4. E x = –E sin , E y = –E cos  5. E x = –E cos , E y = E sin  Q1.1

2 What are the x– and y–components of the vector E? 1. E x = E cos , E y = E sin  2. E x = E sin , E y = E cos  3. E x = –E cos , E y = –E sin  4. E x = –E sin , E y = –E cos  5. E x = –E cos , E y = E sin  A1.1

3 Consider the two vectors shown. The vector A + B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component Q1.2

4 Consider the two vectors shown. The vector A + B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component A1.2

5 Consider the two vectors shown. The vector A – B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component Q1.3

6 Consider the two vectors shown. The vector A – B has 1. a positive x–component and a positive y–component 2. a positive x–component and a negative y–component 3. a negative x–component and a positive y–component 4. a negative x–component and a negative y–component 5. a zero x–component and a negative y–component A1.3

7 Which of the following statements about the sum of two vectors, A + B, is correct for any two vectors A and B ? 1. the magnitude of A + B is A + B 2. the magnitude of A + B is A – B 3. the magnitude of A + B is greater than or equal to |A – B| 4. the magnitude of A + B is greater than the magnitude of A – B 5. the magnitude of A + B is (A 2 + B 2 ) 1/2 Q1.4

8 Which of the following statements about the sum of two vectors, A + B, is correct for any two vectors A and B ? 1. the magnitude of A + B is A + B 2. the magnitude of A + B is A – B 3. the magnitude of A + B is greater than or equal to |A – B| 4. the magnitude of A + B is greater than the magnitude of A – B 5. the magnitude of A + B is (A 2 + B 2 ) 1/2 A1.4

9 Which of the following statements about the difference of two vectors, A – B, is correct for any two vectors A and B ? 1. the magnitude of A – B is A – B 2. the magnitude of A – B is A + B 3. the magnitude of A – B is greater than or equal to |A – B| 4. the magnitude of A – B is less than the magnitude of A + B 5. the magnitude of A – B is (A 2 + B 2 ) 1/2 Q1.5

10 Which of the following statements about the difference of two vectors, A – B, is correct for any two vectors A and B ? 1. the magnitude of A – B is A – B 2. the magnitude of A – B is A + B 3. the magnitude of A – B is greater than or equal to |A – B| 4. the magnitude of A – B is less than the magnitude of A + B 5. the magnitude of A – B is (A 2 + B 2 ) 1/2 A1.5

11 Consider the vectors A and B as shown. The components of the vector C = A + B are 1. C x = –24 m, C y = +12 m 2. C x = +24 m, C y = +12 m 3. C x = –24 m, C y = +52 m 4. C x = +24 m, C y = +52 m 5. C x = +24 m, C y = –52 m Q1.6

12 Consider the vectors A and B as shown. The components of the vector C = A + B are 1. C x = –24 m, C y = +12 m 2. C x = +24 m, C y = +12 m 3. C x = –24 m, C y = +52 m 4. C x = +24 m, C y = +52 m 5. C x = +24 m, C y = –52 m A1.6

13 What is A B, the scalar product (also called dot product) of these two vectors? m 2 2. –640 m m 2 4. –480 m 2 5. zero Q1.7

14 What is A B, the scalar product (also called dot product) of these two vectors? m 2 2. –640 m m 2 4. –480 m 2 5. zero A1.7

15 What are the magnitude and direction of A  B, the vector product (also called cross product) of these two vectors? m 2, positive z–direction m 2, negative z–direction m 2, positive z–direction m 2, negative z–direction 5. zero, hence no direction Q1.8

16 What are the magnitude and direction of A  B, the vector product (also called cross product) of these two vectors? m 2, positive z–direction m 2, negative z–direction m 2, positive z–direction m 2, negative z–direction 5. zero, hence no direction A1.8


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