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In order to save fuel, an airline executive recommended the following changes in the airlines' largest jet flights:
a. restrict the weight of personal luggage
b. remove pillows, blankets, and magazines from the cabin
c. lower flight altitudes by 5 percent
d. reduce flying speeds by 5 percent
Research the information necessary to calculate the approximate kinetic and potential energy of a large passenger aircraft.
Which of the measures described above would result in significant savings?
What might be their other consequences?
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