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joyana32

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## Homework Statement

A lead bullet at 320K is stopped by a sheet of steel so that it reaches its melting point of 600K and completely melts If 80% of the k.e of the bullet is converted into internal energy calculate the speed with which the bullet hits the stee sheet.

## Homework Equations

Specific heat capacity of lead = 0.12kJ/kg K

Specific latent heat of fusion is 21kJ/kg

## The Attempt at a Solution

i have just started this class so i am a newbie to all of this i tired EK=1/2mv^2 but I am having trouble with it

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