Asked by Anonymous

Water is flowing at a rate of 15 km/hr through a cylindrical pipe of radius 7cm into a rectangular tank which is 50m long and44m wide. In how many hours will the water level in the tank raise by 21 cm?
Answered by Stevium
speed=15km/hR(15*1000)/3600=4.167m/s, h of pipe=f(t),where f(t)=4.167t,to solve,vol of pipe=voL of tank,
Answered by Stevium
LBH=22/7*R"2*4.167T(h) . From here t= LBH/(Pi*r*4.167) t= 50*44*0.21(in m)/(pi* (0.07)"2*4.167)=7202.3 seconds
Answered by Steve
(15 km/hr * 10^5 cm/km) * (49π cm^2) * x hr = (50m * 44m)(100cm/m)^2 * 21cm

x = 2 hr
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