What is the change in mechanical energy of the airplane

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An 1865 kg airplane starts at rest on an airport runway at sea level. (a) What is the change in mechanical energy of the airplane if it climbs to a cruising altitude of 2420 m and maintains a constant speed of 96.5 m/s? (b) What cruising speed would the plane need this altitude if its increase in kinetic energy is to be equal to its increase in potential energy?

Reference no: EM13651146

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