AP EAMCET Medical 17 May 2024 Shift 4 Paper

A 25 kW drilling machine is drilled for 4 minutes to bore a hole in an aluminium block of mass 20×103‌kg. If 40% of the work done is utilized to raise the temperature of the block and if the specific heat of aluminium is 0.9Jg−1K−1 then the raise in temperature of aluminium block is