assume that the rate of consumption of coal by a locomotive engine varies as the square of speed and is 1000 kg per hour when the speed is 60 km per hour, when in motion. if coal costs the railway company rs 15 per 100 kg and if the other expenses of running the train is rs 12 per hour. find the formula for the cost in paise per km when the speed is s km per hour:
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sorry
I can't answer this question
because I tried it so much but not successful
I can't answer this question
because I tried it so much but not successful
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