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# Due to an emergency NASA has decided to land the Space Shuttle in Montreal (at the Pierre Elliott Trudeau International Airport).

Due to an emergency NASA has decided to land the Space Shuttle in Montreal (at the Pierre Elliott Trudeau International Airport). The longest runway of this airport is 11,000 ft and 200 ft wide (3,353 m, 61 m). The Shuttle’s total landing mass is 104,328 kg and its velocity is 350 km/hr (twice the landing speed of a commercial airliner). Upon touchdown, a chute (with D = 16.5 m and CD = 1.4) is deployed. The chute and orbiter’s drag, along with the rolling resistance of the tires, slow the orbiter to a speed (say 60 km/hr) where the brakes can then be safely applied. Assess NASA’s decision to land the Space Shuttle in Montreal. In your assessment consider only the deceleration of the vehicle due to the chute and neglect all the other effects. The parachute requires 5 seconds to be fully operational from the time of deployment. Assume further that the shuttle touches down 300 m from the beginning of the runway and upon brake application the vehicle needs approximately 200 m to come to a complete stop. (The nearby Mirabel International has a runway that is 12,000 ft long and 300 ft wide).

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