A 4500kg truck can maintain constant speed of 60km/hr on a 12 percent
grade (an incline such that the elevatio A 4500kg truck can maintain constant speed of 60km/hr on a 12 percent grade (an incline such that the elevation increases by 12m for every 100m traveled horizontally). What is the power rating of the engine? (Neglect all frictionless losses.)
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