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Hannah puts 25,000 joules of work into the machine. The machine, in turn, puts out 21,000 joules of work. What is the efficiency of the machine?

Hannah puts 25,000 joules of work into the machine. The machine, in turn, puts out 21,000 joules of work. What is the efficiency of the machine?
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Hannah puts 25,000 joules of work into the machine. The machine, in turn, puts out 21,000 joules of work. What is the efficiency of the machine?

asked
User Rajesh Wadhwa
by
8.2k points

1 Answer

3 votes

Answer:

84% efficiency

Step-by-step explanation:

21000/25000*100

answered
User Goodm
by
7.7k points
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