1. What could be the energy of a flying aeroplane? 2. Is work the same as power?

Question

1. What could be the energy of a flying aeroplane?

2. Is work the same as power?

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Thu Thủy 2 months 2021-07-23T13:43:29+00:00 1 Answers 2 views 0

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    2021-07-23T13:45:09+00:00

    Explanation:

    The total energy of an aircraft flying in the atmosphere can be calculated using equation 1. [2]

    E = ½ m v2 + mgh

    A Boeing 737-300 has a maximum takeoff weight of 5.65 × 104 kg, a cruise altitude of h = 10,195 m, and cruise speed of 221 m/sec. Inserting these numbers into the above equation, we obtain 7.03 GJ for the energy at cruise conditions. [3] However, the engines mounted onto the wings of the plane are required to provide additional energy per time, power, in order to keep the aircraft flying at a constant altitude and speed

    Work is the energy needed to apply a force to move an object a particular distance, where force is parallel to the displacement. Power is the rate at which that work is done.

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