AP EAMCET 23 May 2023 Shift 2 Paper

A drilling machine of power 1‌kW is used for 5 minutes to drill a hole in a 10‌kg metal block. If 40% of the work done by the machine is wasted as heat, the rise in temperature of the metal block is nearly
(specific heat capacity of the material of the metal block =420Jkg−1K−1 )