A 10 kW drilling machine is used hor 5minutes to bore a hole in an aluminium block of mass 10×10^3kg.If 40% of the work done is utilised to raise the temperature of the block, find the rise in temperature of the aluminium block?(Specific heat of aluminium =0.9 Jkg^-1k^-1)
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drilling machine is used hor 5minutes to bore a hole in an aluminium block of mass 10×10^3kg.If 40% of the work done is utilised to raise the temperature of the block, find the rise in temperature of the aluminium block?(Specific heat of aluminium =0.9
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