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Author Question: A thermally isolated system is made up of a hot piece of aluminum and a cold piece of copper; the ... (Read 125 times)

mmm

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on: Jul 29, 2018
A thermally isolated system is made up of a hot piece of aluminum and a cold piece of copper; the aluminum and the copper are in thermal contact.
 
  The specific heat capacity of aluminum is more than double that of copper. Which object experiences the greater temperature change during the time the system takes to reach thermal equilibrium?
  A)
 
  the copper
  B)
 
  the aluminum
  C)
 
  neither; both experience the same size temperature change
  D)
 
  it is impossible to tell without knowing the masses
  E)
 
  it is impossible to tell without knowing the volumes

Question 2

An object is moving with constant velocity in a straight line. Which of the following statements is true?
 
  A)
 
  A constant force is being applied in the direction of motion.
  B)
 
  A constant force is being applied in the direction opposite of motion.
  C)
 
  There are no forces acting on the object.
  D)
 
  The net force on the object is zero.
  E)
 
  There is no frictional force acting on the object.
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macybarnes

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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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mmm

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

adf223

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Reply 3 on: Yesterday
:D TYSM

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