the rain which falls on a roof of 24m×16m is stored in a cylindrical tank of diameter 14m.if it rains 10cm on a day what is the rise of water level in tank
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roof area = 24*16 = 384 m²
It rains 10 cm a day , so the height = = 0.1 m
Hence, volume of rain = 384*0.1 = 38.4 m³
Radius of cylindrical tank = 14/2 = 7m
Volume of cylindrical tank = r²h
= (7)²h
= *7*7 h
So, volume of rain = volume of cylindrical tank
38.4 = 22* 7 h
h =
= 0.25 m
= 25 cm
Hence rise of water level = 25 cm
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