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Old 29-01-2008, 11:28 AM   #2 (permalink)
ring_wraith
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Join Date: Oct 2007
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Default Re: Physics Numericals

mass of iron = 0.2 kg
t of iron = 300c
m of water = 1
initial t of water = 20
let final temp be t2

q released by iron = q absorbed by water.
0.2*470*(300-t2) = 1*4200*(t2-20)

Just simplify and obtain value of t2.
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