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Author Question: Two ideal Carnot heat engines have the same efficiency. One operates between 5.0 102 K and 3.0 102 ... (Read 104 times)

ishan

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on: Jul 29, 2018
Two ideal Carnot heat engines have the same efficiency. One operates between 5.0  102 K and 3.0  102 K, and the other between 4.0  102 K and some lower temperature. What is the lower temperature?
 
  A) 200 K
  B) 220 K
  C) 240 K
  D) 260 K
  E) 280 K

Question 2

An ideal parallel-plate capacitor consists of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery that maintains a constant potential difference across the plates.
 
  If the separation between the plates is now doubled, the amount of electrical energy stored on the capacitor will A) double.
  B) quadruple.
  C) be cut in half.
  D) be cut in fourth.
  E) not change.
Physics ¦ Walker ¦ 5th Edition
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welcom1000

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ishan

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

bigcheese9

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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