T5F1318 SENSE]: 6?(E}68%- Q Assignments X @ l X u+3u2u (300' X 2U +v vectors X G ChapterSTest( X + (3' (a chromezllexternalfile Chapter 6 TEST What is the resultant VECTOR? Multiple choice. 1- When simplied, 3+3323equals a. 63 b. 23 When simplied, 2G; +ii) 3G; :1?) equals a. ii -i7 c. b. -H- S? d. |ii|= 5, W|= 12, and the angle between ii and _v' (when placed tail-to-tail) is 90. Find 13+?I. 3. 17 C. 169 b. 13 d. 7 4- lil'|= ll, WI=17, andthe angle between ii and?: (when placed tail-to-tail) is 63". Find |23+7|. a. c. 33.36 39 b. 4410 d 28 5- An airplane is ying at 150 kin/h on a heading of 070. The wind is blowing at 40 kin/h from a bearing of 130. Find the groundspeed (the magnitude of the ground velocity) of the airplane. a. 125.24 km/h c. 110 kin/h b. 190.02 mm (1 134.54 mm 6. Two forces, with magnitudes 200 N and 95 N, act on an object at 15 to one another. Determine the magnitude of the resultant force with on the object. a. 221.42 N c. \"1.00 N b. 295 N d. 292.80 N . A vector extends from the origin to the point (5, 8). Find the angle that the vector makes with the positive x-axis. a. 70 c. 57.99 b. 65 d. 38.68" . A humanng ies 50 m from its nest to a feeder which is on a bearing of 120. From the feeder, it ies to another feeder in the neighbourhood which is 30 m away on a bearing of 170. Find the displacanent of the hummingbird from its nest. a. 80 m c. 73.00 In b. 40 m d 38.36 m . A block weighing 100 N is at rest on a ramp inclined at 25. What is the frictional force keeping the block at rest? a. 93.97 N c. 100 N b. 42.26 N d. 50 N 10. The angle that the handle of a lawnmower makes with the ground is 55. You exert a force along the handle of 50 N. How much of the force is being used to push the lawnmower forward? a. 25 N c. 50 N b. 28.68N d. [7.1N