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A 12 kW drilling machine is used to drill a hole in a metal block of mass 10 kg. Assuming that 25% power is lost in the machine, calculate the rise in tempera- ture of the block in 2 minutes. Specific heat capacity of metal = 0.4 J g' K-.

A 12 kW drilling machine is used to drill a hole in a metal block of mass 10 kg. Assuming that 25% power is lost in the machine, calculate the rise in tempera- ture of the block in 2 minutes. Specific heat capacity of metal = 0.4 J g' K-.

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A 12 kW drilling machine is used to drill a hole in a metal block of mass 10 kg. Assuming that 25% power is lost in the machine, calculate the rise in tempera- ture of the block in 2 minutes. Specific heat capacity of metal = 0.4 J g' K-'.
Transcribed Image Text:A 12 kW drilling machine is used to drill a hole in a metal block of mass 10 kg. Assuming that 25% power is lost in the machine, calculate the rise in tempera- ture of the block in 2 minutes. Specific heat capacity of metal = 0.4 J g' K-'.
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