When an automobile is traveling at 60 km/hr, its engine is developing 25 hp. a) Find the total resisting force in newtons. b) Assuming that the resisting force is directly proportional to the speed, what horsepower must the engine develop to drive the automobile at 100 km/hr? Answer: a) 1118.3 N, b) 69 hp

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Q: Seems easy enough but not getting the correct answer 173684

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.