height of building 30 m . any electric motor fill up to water tank at the top of building in 1 hour . capacity of water tank is 1000 litre . calculate power of motor in hp ?

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Solution

$Time : t = 1 hour = 60 \min = 3600 s Height : h = 30 m Volume : V = 1000 L Mass : m = dv = 1 L / kg \times 1000 L = 1000 kg Power : P = \frac{mgh}{t} = \frac{1000 \times 9.8 \times 30}{3600} = 81.66 W = \frac{81.66}{746} = 0.11 hp$

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height of building 30 m . any electric motor fill up to water tank at the top of building in 1 hour . capacity of water tank is 1000 litre . calculate power of motor in hp ?

Time:t=1 hour =60 min =3600 sHeight:h=30 mVolume:V= 1000 LMass:m = dv =1 L/kg × 1000 L =1000 kgPower:P=mght =1000×9.8×303600 =81.66 W =81.66746 =0.11 hp

$Time : t = 1 hour = 60 \min = 3600 s Height : h = 30 m Volume : V = 1000 L Mass : m = dv = 1 L / kg \times 1000 L = 1000 kg Power : P = \frac{mgh}{t} = \frac{1000 \times 9.8 \times 30}{3600} = 81.66 W = \frac{81.66}{746} = 0.11 hp$