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coast the 3 45 The resistance to motion of an automobile depends on road friction...

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coast the 3 45 The resistance to motion of an automobile depends on road friction which is almost independent of speed and on air ame drag which is proportional to speed squared For a car with a weight of 12000 N the total resistance force F is given by F 300 1 8 v where F is in newtons and v is in meters per second Calculate the power required to accelerate the car at 0 92 m s when the speed is 80 kph ime Ans 51 kW the

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