brown570 brown570

26-01-2021
Biology

contestada

A machine has an efficiency of 70%. How much work does the machine do when 20,000 J of work is done on it?

14,000 J
28,600 J
1,400,000 J
2,860,000 J

Respuesta :

tosvaldo915 tosvaldo915

09-02-2021

Answer:

14,000

Explanation:

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ellagarretson ellagarretson

30-03-2021

Answer:

a

Explanation:

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