TFizia 67EIla: ?es%u o chrome://externa|fi|e 5. Describe the difference between airspeed and groundspeed. 6. A pilot in an airplane with an airspeed of 1000 km/h wishes to fly to a city 2000 km due east. There is a wind blowing from 025 at a speed of 100 km/h. (53 a) In what heading should the pilot steer? b) What will be the groundspeed of the airplane? c) How long will the trip take? 8. A 50 N sign is suspended by two cables that make angles of 25 and 70 with the horizontal. Determine the tensions in each cable. Draw the diagram. (9 9. A mass Is hung on a line between two supports A and B. 9 a) Which part of the line supporting the mass has the greater tension? EXPLAIN. b) The supports A and B are not at the same level. What effect does this have on the tension in the line? EXPLAIN