b. 80 m/s, 60 clockwise from vertical 7. Given a = [2, -10] and b = [-8, 23], find: a. 3a - 2b [2 marks] b. a . b [1 marks] c. a . + 6 [2 marks] d. proj a [3 marks] e. The angle between a and b [2 marks] 8. Given p - [-1, 4, -8] and q = [10, 10, -9], find: a. 2p + 5q [2 marks] b. p . q [2 marks] c. q X p [3 marks] d. p X q [1 marks] e. The angle between p and q [3 marks] f. projap [3 marks]b. 80 m/s, 60 clockwise from vertical 7. Given a = [2, -10] and b = [-8, 23], find: a. 3a - 2b [2 marks] b. a . b [1 marks] c. a . + 6 [2 marks] d. proj a [3 marks] e. The angle between a and b [2 marks] 8. Given p - [-1, 4, -8] and q = [10, 10, -9], find: a. 2p + 5q [2 marks] b. p . q [2 marks] c. q X p [3 marks] d. p X q [1 marks] e. The angle between p and q [3 marks] f. projap [3 marks]