Physics, asked by raghavender1959, 8 months ago

2KW drill is used to bore a hole in an aluminium block of mass 20kg in 21 minutes. If 60% of the Power of drill is wasted and the remaining power is used to heat the block,the rise in temperature of the block is ( specific heat of aluminium = 200 cal kg-1 k-1)

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Answered by manishk94676

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Answer:

noo Any Ideas in your question sorryyy Bro

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