Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Join our platform to connect with experts ready to provide precise answers to your questions in different areas. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

(b)A machine with an input power of 4kw used up to 70% of the power .if the remaining energy appears as heat, and heat of 50kg of iron, what will be the rise in temperature of this iron in 2hrs 17minutes ?(Take S.h.c of iron =500j/kg/k).