Answers MS-Physical Science Unit Test — Unit testQuestion 3

3

QuizMultiple Choice

Unit Test — Unit test

Question 3 • MS-Physical Science

A machine has an efficiency of 80%. How much work must be done on the machine so to make it do 50,000 J of output work?

Answer

A

12,500 J

B

40,000 J

C

62,500 J

D

90,000 J

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