7. Water flows out through a circular pipe, whose internal diameter is 2 cm, at the rate of 0.8 m
per second into a cylindrical tank, the radius of whose base is 40 cm. By how much will the
level of water rise in one and a half hour?
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2
Answer:
2 3
22/7 × (1/100) × 6m
3
22/7 × 1/10000×6×30×60m
2
22/7 × (60/100) × h
2
22/7×(60/100)×h= 22/7×1/10000×6×30×60
=> 3 m
Step-by-step explanation:
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