An airplane with a 1.8m diameter propeller travels in still air with a density of 1.14 kg/m3 at 85m/s. is doing. The speed of the air passing through the propeller is 115 m/s relative to the plane. a) the thrust on the aircraft, b) theoretical horsepower required to turn the propeller, c) propeller efficiency, and d) across the blade Determine the pressure difference.

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A: Given data : Mass m=49 kg Velocity V=34 m/s   Required : Kinetic energy

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Q: Compute the kinetic energy stored in car of mass 49 kg moving with velocity 34 m/s

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Q: Determine kinetic energy

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.