Question

the rate of working of an engine is given by the expression 10v + 4000/v, where V is the speed of the engine,find the speed at which the rate of working is the least


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Answer 1

Answer:

derivative of 10v+4000/v

is 10 +4000log(v)

this is Minimum when v=1

so v minimum is 1

please check

Answer 2

Explanation:

Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface