Communication Continued... 8. What can be said about non-zero vectors u , v and w if (uxv) . w = 0? 9. Simplify each vector operation. a) J.(-j) b) (i x ] ) - k c) (1x]) xk IT 10. Classify each quantity as a Vector or a Scalar. Circle the correct response: (5 marks) a) a car drives 50 km/h Scalar Vector b) a gravitational force of 100 N towards the ground Scalar Vector c) a girl runs 10 km Scalar Vector d) City A is 25 km NE of City B Scalar Vector e) An airplane flies 200 km/h on a bearing of 150- Scalar Vector