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pearson edexcel gce question booklet mark scheme results november 2021 further mathematics advanced level in further mathematics mechanics 1 paper 9fm0-3c
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pearson-edexcel-gce-question-booklet-mark-scheme-results-november-2021-further-mathematics-advanced-level-in-further-mathematics-mechanics-1-paper-9fm0-3c A van of mass 900kg is moving along a straig... ht horizontal road. At the instant when the speed of the van is v ms−1, the resistance to the motion of the van is modelled as a force of magnitude (500 + 7v) N. When the engine of the van is working at a constant rate of 18kW, the van is moving along the road at a constant speed Vms−1 (a) Find the value of V. (5) Later on, the van is moving up a straight road that is inclined to the horizontal at an angle θ , where sin θ = 1 21 At the instant when the speed of the van is vms−1, the resistance to the motion of the van from non-gravitational forces is modelled as a force of magnitude (500 + 7v) N. The engine of the van is again working at a constant rate of 18kW. (b) [Show More]
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