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Forces of Nature :: Discussion
| 7. | Water falls from a height of 60m at the rate of 15kg.s to operate a turbine. The losses due to friction forces are 10% of energy. How much power is generated by the turbine? g=m/s2? | |
| A. | 7kW | |
| B. | 10.2kW | |
| C. | 12.3kW | |
| D. | 8.1kW | |
| Answer: Option D | |
| Explanation: | |
|
P = W/t=mgh/t=(15×10×60)/1 = 9000W = 9kW |
|
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