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Author Question: A certain automobile engine takes in 4.00 kJ of heat and performs 1.10 kJ of mechanical work in each ... (Read 99 times)

audie

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A certain automobile engine takes in 4.00 kJ of heat and performs 1.10 kJ of mechanical work in each cycle.
  (a) Calculate the engine's efficiency.
  (b) How much heat is wasted in each cycle?
 
  What will be an ideal response?

Question 2

You are traveling at 55 mi/h along the +x-axis relative to a straight, level road and pass a car that is traveling at 45 mi/h. The relative velocity of your car to the other car is
 
  A) -10 mi/h.
  B) 10 mi/h.
  C) 65 mi/h.
  D) 35 mi/h.


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Amiracle

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audie

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


jojobee318

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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