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

asked Jun 23, 2019 105k views

5 votes

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7 votes

Answer:A) !4,000

Step-by-step explanation:

Took the test and got it right :)

Emcanes answered Jun 25, 2019

7.4k points

3 votes

The answer is 14,000

Sammy Pawar answered Jun 30, 2019

7.6k points

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