dlawisek74 dlawisek74

29-06-2024
Physics

Answered

(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).

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