At the airport, 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 required 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).