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Phy 201
Your 'cq_1_23.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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A wad of paper is dropped from a second-story balcony and falls through still air to the ground.
• As it speeds up, what happens to the air resistance it encounters?
answer/question/discussion: ->->->->->->->->->->->-> :
As the wad of paper speeds up, the air resistance increases.
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• What happens to the net force acting on it?
answer/question/discussion: ->->->->->->->->->->->-> :
If the air resistance is increasing, the net force is increasing. Also, gravity is pulling at 9.8m/s^2 on the wad of paper.
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• What happens to its acceleration?
answer/question/discussion: ->->->->->->->->->->->-> :
The acceleration of the object increases as the distance increases due to gravity.
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• If it dropped from a much higher point, what would happen to the net force and the acceleration?
answer/question/discussion: ->->->->->->->->->->->-> :
I’m not sure, but I think that if the object was dropped from a higher point, it would have a greater net force and acceleration than before because it is traveling a longer distance for a longer amount of time.
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The increasing air resistance decreases the magnitude of the net force and therefore the acceleration.
See any notes I might have inserted into your document, and before looking at the link below see if you can modify your solutions. If there are no notes, this does not mean that your solution is completely correct.
Then please compare your old and new solutions with the expanded discussion at the link
Solution
Self-critique your solutions, if this is necessary, according to the usual criteria. Insert any revisions, questions, etc. into a copy of this posted document. Mark any insertions with &&&& so they can be easily identified.If your solution is completely consistent with the given solution, you need do nothing further with this problem.
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