5.The power a windmill obtains from the wind varies directly as the cube of the wind velocity. If a wind of 10 km per hr produces 10,000 units of power, how much power is produced by a wind of 15 km per hr?
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Power α (velocity)³
⇒ P = kv³
v₁ = 10km/h, P₁ = 10,000 units
v₂ = 15 km/h, P₂ = ?
Power produced will be 33750 units
⇒ P = kv³
v₁ = 10km/h, P₁ = 10,000 units
v₂ = 15 km/h, P₂ = ?
Power produced will be 33750 units
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