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The input work done on a machine is 9.63 × 103 joules, and the output work is 3.0 × 103 joules. What is the percentage efficiency of the machine?

The input work done on a machine is 9.63 × 103 joules, and the output work is 3.0 × 103 joules. What is the percentage efficiency of the machine?
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1 vote
The input work done on a machine is 9.63 × 103 joules, and the output work is 3.0 × 103 joules. What is the percentage efficiency of the machine?

User MACMAN
by
8.3k points

2 Answers

7 votes

Answer:

31.15%

Step-by-step explanation:

The formula used was

((Work output)/(Work input))×100

User Varit J Patel
by
7.7k points
4 votes

Answer:

C. 31.1 percent

User Phani Rithvij
by
8.3k points
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