Water flows into a reservoir which is 200 m long and 150 m wide, through a pipe of cross-section (0.3m X 0.2m) at 20kmph. In what time will the water level be 8?
Volume of water collected in the tank in 1 hour
=> 0.3×0.2×20×1000=1200 m cubic
If after t hours, the water is at height of 8m,
=> t = 200 Hours.
why multiplied by 1000
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