A-LevelMathematicsMechanicsOct/Nov 2017Paper 4 Q36 Marks
A roller-coaster car (including passengers) has a mass of 840 kg. The roller-coaster ride includes a section where the car climbs a straight ramp of length 8 m inclined at 30° above the horizontal. The car then immediately descends another ramp of length 10m inclined at 20° below the horizontal. The resistance to motion acting on the car is 640 N throughout the motion.
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