phy 121
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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: ->->->->->->->->->->->-> :
It becomes less.
• What happens to the net force acting on it?
answer/question/discussion: ->->->->->->->->->->->-> :
It increases.
• What happens to its acceleration?
answer/question/discussion: ->->->->->->->->->->->-> :
It increases.
• If it dropped from a much higher point, what would happen to the net force and the acceleration?
answer/question/discussion: ->->->->->->->->->->->-> :
They would both increase.
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5 min
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Solution
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