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Question 297209: A girl throws her calculator form the 10th floor. the calculator falls in a parabolic motion. the equation which shows this is d=at^2+vt. Find at what time the calculator hits the ground if the v i(velocity initial) is 5m/s and is if a (acceleration) is 9.81m/s square.Please show calculations and a graph.
thankyouu
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! The height must be known, or the equation must be given in terms of floors, rather than meters.
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If it's in terms of floors/sec, etc, then is this an American building, or outside the US.
In the US, the 1st floor is the bottom floor, at ground level.
In other countries, the 1st floor is one floor above ground.
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