A pump is used to raise water to a height of 20m . It transfers 2000kg of water in 15 minutes. Calculate the power of the pump (g=10m/s^2)
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m=2000kg
g=10m/s²
hᵤ= 0 m
PEᵤ=mghᵤ
=0 J
hᵥ=20m
PEᵥ= mghᵥ
= 2000×10×20
W= PEᵥ- PEᵤ
t =15 min = 15×60 s
P = W/t
= 2000×10×20
= 44.44 wt
g=10m/s²
hᵤ= 0 m
PEᵤ=mghᵤ
=0 J
hᵥ=20m
PEᵥ= mghᵥ
= 2000×10×20
W= PEᵥ- PEᵤ
t =15 min = 15×60 s
P = W/t
= 2000×10×20
= 44.44 wt
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