. Water flows out through a circular pipe, whose internal diameter is 2cm, at the rate of 0.8m/s into a cylindrical tank, the radius of whose base is 40 cm. By how much will the level of water rise in 1 hour 30 minutes?
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mallikasharma117:
shouldn't seconds be 5400?
no
we have to convert seconds into 1min means we have to find how many water rises in 1hr30min therefore we should multiply seconds in 1min
and then 1min into 60min
then into half hour
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no, because the answer according to the book is 2.7 m
how?????
In which book it is
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