LEVEL ONE

1 mile/h = 1.6 kmh . 1 HP is equal to 550 ft pounds/s, or 746 J/s or Watts and the density of air is 1.3 kg/m3 or 0.081 lb/ft3. We have to: 1. Change the units to the SI system. 2. Verify the calculations. Data for the windmill (converting to the SI system) Radius of wheel: 4 ft, or 1.22 m. Maximum operating wind velocity: 44 ft/s, or 13.4 m/s. ................
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