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a rectangular reservoiris is 10.8*3.75 at base water flow into it at the rate of 18m/sec through a pipe having cross section 7.5 cm*45 find the hieght to which of th water reach in 15 mins |
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Answer» Answer: WATER COMES out from pipe in 1 SEC = 7.5*4.5*1800 = 60750 cm^3 = 6.075 m^3 water comes out from pipe in 30 MIN = 6.075*30*60 = 10935 m^3 10.8*3.75*rise in level = 10935 rise in level = 10935/ (10.8*3.75) = 10935/40.5 = 270 m RISE IN WATER LEVEL = 270m pls mark me as brainliest❤️ |
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