A heat engine performs 200 J of work in each cycle and has an efficiency of 30.0%. For each cycle, how much energy is (a) taken in and (b) expelled by heat?
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Step 1
We can use the formula for efficiency: Efficiency = (Work output) / (Energy input) We are given the efficiency (30% or 0.30) and the work output (200 J). We can rearrange the formula to solve for the energy input: Energy input = (Work output) / Show more…
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