Truck performance and production dump truck is operated over a 2-mile long haul road that has an average +2.5% longitudinal gradient and a rolling resistance of 150 lb/ton.ThetruckperformancechartinFigure 10.8is are applicable.If the gross truck weight is 90,000 lb, calculate the following:(a)Rimpull required. (b)The maximum speed of the truck on the haul road.(c) Hauling time
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