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Section 4: Application (10 marks) 7. A roller coaster car is near the bottom of its track, as shown in Figure. At this point, the normal force on the roller coaster is 4 times its weight. The speed of the roller coaster is 50 m/s. Determine the radius of the track's curvature. (5 marks) 8. A car travels 40.0 km due north and then 20.0 km[N 30.0°W]. Determine the magnitude and direction of the car's resultant displacement. (5 marks)
Section 4: Application (10 marks) 7. A roller coaster car is near the bottom of its track, as shown in Figure. At this point, the normal force on the roller coaster is 4 times its weight. The speed of the roller coaster is 50 m/s. Determine the radius of the track's curvature. (5 marks) 8. A car travels 40.0 km due north and then 20.0 km[N 30.0°W]. Determine the magnitude and direction of the car's resultant displacement. (5 marks)
Section 4: Application (10 marks) 7. A roller coaster car is near the bottom of its track, as shown in Figure. At this point, the normal force on the roller coaster is 4 times its weight. The speed of the roller coaster is 50 m/s. Determine the radius of the track's curvature. (5 marks) 8. A car travels 40.0 km due north and then 20.0 km[N 30.0°W]. Determine the magnitude and direction of the car's resultant displacement. (5 marks)