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What are the x – and y –components of the vector E ?

Q1.1. What are the x – and y –components of the vector E ?. 1. E x = E cos b , E y = E sin b 2. E x = E sin b , E y = E cos b 3. E x = – E cos b , E y = – E sin b 4. E x = – E sin b , E y = – E cos b 5. E x = – E cos b , E y = E sin b. A1.1.

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What are the x – and y –components of the vector E ?

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

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

  3. Q1.2 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

  4. A1.2 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

  5. Q1.3 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

  6. A1.3 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

  7. Q1.4 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 (A2 + B2)1/2

  8. A1.4 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 (A2 + B2)1/2

  9. Q1.5 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 (A2 + B2)1/2

  10. A1.5 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 (A2 + B2)1/2

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

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

  13. Q1.7 What is A • B, the scalar product (also called dot product) of these two vectors? 1. 640 m2 2. –640 m2 3. 480 m2 4. –480 m2 5. zero

  14. A1.7 What is A • B, the scalar product (also called dot product) of these two vectors? 1. 640 m2 2. –640 m2 3. 480 m2 4. –480 m2 5. zero

  15. Q1.8 What are the magnitude and direction of A ´B, the vector product (also called cross product) of these two vectors? 1. 640 m2 , positive z–direction 2. 640 m2 , negative z–direction 3. 480 m2 , positive z–direction 4. 480 m2 , negative z–direction 5. zero, hence no direction

  16. A1.8 What are the magnitude and direction of A ´B, the vector product (also called cross product) of these two vectors? 1. 640 m2 , positive z–direction 2. 640 m2 , negative z–direction 3. 480 m2 , positive z–direction 4. 480 m2 , negative z–direction 5. zero, hence no direction

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