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An aircraft weighing 834 N is accelerated at 7 m/s/s for 11 seconds, at which time the aircraft launches. How much work was done on the aircraft? The acceleration is constant.
Hint: This is a multiple step problem in which you must derive the variables needed (mass and distance under constant acceleration) in step one and then apply those values to the final solution of the problem in step two, that is calculate the work done.
What are potential threats to internal and external validity for the experimental design and procedure? How will they be addressed and Will a pilot test of the experiment be conducted?
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