How many litres of water flow out of a pipe having an area of cross-section of 6 Sq.cm in one minute,if the speed of the water in the pipe is 42 cm/sec?
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answer:
volume = area × velocity
= 6× 42× 60 ( × by 60 for 1minutes )
= 15120 cubic cm
1 cubic cm = 0.001 litre
15120 cubic cm = 15.120 litre
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