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What is the efficiency of a machine that produces 35 J of useful output energy for every 50 J of total energy input?

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missingchromosone

!<Answer>!

To calculate the efficiency of a machine, you can use the following formula:

Efficiency = (Useful output energy / Total input energy) * 100

Given that the machine produces 35 J of useful output energy for every 50 J of total energy input, we can plug these values into the formula to find the efficiency.

Efficiency = (35 J / 50 J) * 100

Simplifying the equation, we have:

Efficiency = 0.7 * 100

Efficiency = 70%

Therefore, the efficiency of the machine is 70%.

~ Sun

The efficiency (\( \eta \)) of a machine is calculated using the formula:

\[ \eta = \frac{\text{Useful Output Energy}}{\text{Total Input Energy}} \times 100 \]

In this case, the machine produces 35 J of useful output energy for every 50 J of total energy input.

\[ \eta = \frac{35}{50} \times 100 \]

Calculate this expression to find the efficiency of the machine.

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