Asked by Lizzie
A machine has a work output of 28ax^5 joules and a work input of 7a^2x^6 joules. What is the efficiency of the machine?
Answers
Answered by
Henry
Eff. = Output/Input.
Eff.=28ax^5 / 7a^2x^6 =4a^-1x^-1=4/ax
Eff.=28ax^5 / 7a^2x^6 =4a^-1x^-1=4/ax
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