Asked by elle
hi, i'm having trouble with this question:
The cost of running a train at a constant speed of v km/h is C=50+v^2/1000 dollars/hour
find the time taken for an 800km journey in terms of v.
The cost of running a train at a constant speed of v km/h is C=50+v^2/1000 dollars/hour
find the time taken for an 800km journey in terms of v.
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