A rectangular tank is 225 m by 162 m at the base. With what speed must water flow into it through and aperture 60 cm by 45 cm that the level may be raised by 20 cm in 5 hours.

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Answers

The Brainliest Answer!
2016-02-20T19:00:49+05:30
Cuboid (Tank)
L = 225 m 
B = 162 m
H = 20 cm = 0.2 m

Cuboid (aperture)
b  = 60 cm = 0.6 m 
h = 45 cm = 0.45 m

The length of the aperture = speed * time
⇒s = l / t
here, time = 5 hours = 300 mins

Volume of the tank = volume of water brought by the aperture
lbh = lbh
225*162*0.2 = 0.6 * 0.45 l 
225 * 162 * 2 * 10 * 100 / 10*6*45 = l
⇒ l = 27000 m

speed = 27000 / 300
∴ speed = 90 m/m or 1.5 m/s

Thank You......!!!!!!!!!
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Yours, Jahnavi.
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your welcome prajwal
I am confused the answer in my book is 5400m/hr...
Convert the answer to m/h over you will get it
Thank you so much !!!!!!!
Plz mark mine as brainliest plz