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Author Question: An external heat source supplies heat to a system at a rate of 187 W as the system does work at a ... (Read 120 times)

AEWBW

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on: Jul 29, 2018
An external heat source supplies heat to a system at a rate of 187 W as the system does work at a rate of 131 W. At what rate is the internal (thermal) energy of the system changing?
 
  A) 320 W B) 56 W C) 190 W D) -56 W E) -320 W

Question 2

Three cars, car X, car Y, and car Z, begin accelerating from rest at the same time. Car X is more massive than car Y, which is more massive than car Z. The net accelerating force exerted on each car is identical.
 
  After 10 seconds, which car has the most amount of momentum? A) They all have the same amount of momentum.
  B) Car X
  C) Car Y
  D) Car Z
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steff9894

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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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AEWBW

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


steff9894

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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