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Answers OK-Physical Science B Simple MachinesQuestion 4

4

QuizMultiple Choice

Simple Machines

Question 4 of 5 • OK-Physical Science B

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

Answer

A

14,000 J

B

28,600 J

C

1,400,000 J

D

2,860,000 J

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Simple Machines - Question 4 | OK-Physical Science B | Revolt