A-LevelMathematicsMechanicsMay/June 2024Paper 4 Q34 Marks
A train of mass 180000kg ascends a straight hill of length 1.5km, inclined at an angle of 1.5° to the horizontal. As it ascends the hill, the total work done to overcome the resistance to motion is 12000 kJ and the speed of the train decreases from 45ms⁻¹ to 40ms⁻¹.
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