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Water flows in a tank 150 m ×100 m at the base, through a pipe whose cross-section is 2 dm by 1.5 dm at the speed of 15 km per hour. In what time, Will the water be 3 metres deep? |
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Answer» Water flows in a tank 150 m ×100 m at the base, through a pipe whose cross-section is 2 dm by 1.5 dm at the speed of 15 km per hour. In what time, Will the water be 3 metres deep? |
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