You put 3 0 0 J of work into a machine The output of useful energy of the machine is 2 0 0 J What is the efficiency of the machine

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You put 3 0 0 J of work into a machine. The output of useful energy of the machine is 2 0 0 J .

You put

300

J of work into a machine. The output of useful energy of the machine is

200

.

What is the efficiency of the machine?

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