71. C What speed should fly to the bullet when it hits

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Uploaded: 29.05.2014
Content: fiz027_71.doc (36,5 kB)

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71. C What speed should fly to the bullet when it hits the wall it is completely melted? The melting point of the bullet 600 K the specific heat capacity of 125 J / kg ∙ K the specific heat of melting 2,5 ∙ 104 J / kg. Read before hitting bullets temperature was 50 0C and that she receives all the energy released

Additional information

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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