Water is flowing at 7m/s through a circular pipe of internal diameter of 2cm into cylindrical tank,the radius of whose base is 40cm. Find the increase in water level in 30 minutes.
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Here to find the height You should put the formula V. of cylindrical tank = Area of cross section x Speed of flowing water x time
rate of flow =7m s- for pipe:
radius = 1cm or 0.01m for tank :
radius = 40cm or 0.4m time = 1/2hr = 30min =1800sec according to formula area of cross section = area of pipe *speed * time
pi r2h = pi R2 * 7*4800
h = 0.01*0.01*7*1800/0.4*0.4
h= 7.875
rate of flow =7m s- for pipe:
radius = 1cm or 0.01m for tank :
radius = 40cm or 0.4m time = 1/2hr = 30min =1800sec according to formula area of cross section = area of pipe *speed * time
pi r2h = pi R2 * 7*4800
h = 0.01*0.01*7*1800/0.4*0.4
h= 7.875
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