Calculation-heat

A man is drilling an iron block of 2.5 kg.The power of drill is 2500W.Suppose 60% of the power has been lost as heat and increases the temp. of the iron block.The S.H.C of iron is 470 (a)Find the temp. rise of block in 1 min. ans:76.6 (b)If water is dripping into the hole at steady rate of 20g s^-1,find the temp.... show more A man is drilling an iron block of 2.5 kg.The power of drill is 2500W.Suppose 60% of the power has been lost as heat and increases the temp. of the iron block.The S.H.C of iron is 470

(a)Find the temp. rise of block in 1 min.
ans:76.6
(b)If water is dripping into the hole at steady rate of 20g s^-1,find the temp. rise of block in 1 min.
ans:14.5

(c)Find the maximum temp. increase of the block if water is dripping into the hole at rate stated in (b).

ans:17.9
Update: Only help me to do part (c)
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