· · IP Referring to Active Example 18–3 Suppose we lower the temperature of the cold reservoir to 295 K; the temperature of the hot reservoir is still 576 K. (a) Is the new efficiency of the engine greater than, less than, or equal to 0.470? Explain. (b) What is the new efficiency? (c) Find the work done by this engine when 1050 J of heat is drawn from the hot reservoir.
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