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Author Question: If 150 kcal of heat raises the temperature of 2.0 kg of a material by 400 F, what is the specific ... (Read 73 times)

B

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on: Jul 29, 2018
If 150 kcal of heat raises the temperature of 2.0 kg of a material by 400 F, what is the specific heat capacity of the material?
 
  A) 0.34 kcal/kg  C B) 0.75 kcal/kg  C C) 0.19 kcal/kg  C D) 1.35 kcal/kg  C

Question 2

A cell phone that is 8.90 cm tall is placed in front of a convex mirror. The image of the phone is 7.80 cm tall and is located 14.8 cm from a mirror. What is the mirror's focal length?
 
  A) +120 cm B) +16.9 cm C) -105 cm D) -120 cm E) -13.0 cm
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sierrahalpin

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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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B

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Reply 2 on: Jul 29, 2018
Excellent

jomama

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Reply 3 on: Yesterday
Wow, this really help

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