A 20% efficient real engine

  1. An inventor has developed a new, energy-efficient lawn mowerengine. He claims that the engine will run continuously for more
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  2. An inventor has developed a new, energy-efficient lawn mowerengine. He claims that the engine will run continuously for more
    1. answers icon 1 answer
    2. views icon 80 views
  3. How does knowing that all engines waste some energy help engineers build a better engine?answers: They will look for ways to
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    2. unknown 2.0 asked by unknown 2.0
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  4. A 20% efficient real engine is used to speed up a train from rest to 7.0 m/s. An ideal (Carnot) engine using the same cold and
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    2. Anonymous asked by Anonymous
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  5. A 40%-efficient car engine accelerates the 1300 kg car from rest to 20 m/s How much energy is transferred to the engine by
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    2. andrea asked by andrea
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  6. A heat engine is 20% efficient. If it loses 800 J to the cooling system and exhaust during each cycle, the work done by the
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    2. Steve asked by Steve
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  7. 4.28) A. Calculate the horsepower needed for a 1200 kg car to climb to an altitude of 1000 m from sea level in 1 hr.B. If the
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    2. Sean Francis C. Nocete asked by Sean Francis C. Nocete
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  8. How much work can a 22 kW car engine do in 60 seconds ifIt is 30% efficient It is 100% efficient
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    2. Melissa asked by Melissa
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  9. Why is it impossible for a heat engine to be 100% efficient?a. Entropy always decreases in a heat engine b. Work cannot be done
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    2. kricket asked by kricket
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  10. Why is it impossible for a heat engine to be 100% efficient?A) Work cannot be done on a heat engine. B) Some heat is always lost
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    2. Iwannaknow asked by Iwannaknow
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