While waiting at the airport for your flight to leave, you observe some of the jets as they take off. With your watch you find that it takes about 35 seconds for a plane to go from rest to takeoff speed. In addition, you estimate that the distance re-quired is about 1.5 km. (a) If the mass of a jet is 1.70 × 105 kg, what force is needed for takeoff? (b) Describe the strategy you used to solve part (a).
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