2022 · Specimen · 9702/01 | Q19

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CIE-9702-2022-SP-p01 · Question 19

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19 Water flows from a lake into a turbine that is a vertical distance of 90 m below the lake, as shown. lake 90 m turbine The mass flow rate of the water is 2400 kg min–1. The turbine has an efficiency of 75%. What is the output power of the turbine? A 26 kW B 35 kW C 1.6 MW D 2.1 MW

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9702/01/SP/22Cambridge International AS & A Level Physics 9702 · Specimen 2022 · Paper 1 · Question 19