(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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29-06-2024
Physics

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(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).

Sagot :

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(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).

Sagot :

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