Question: An object of mass = 7 2 . 5 7 kg starts at the top of a 2 2 5 m tall building. The object

An object of mass $= 72.57$ kg starts at the top of a $225$ m tall building. The object is then dropped off the building. Calculate the velocity of the object when it is at a height of $100$ m $.$ Account for air resistance and gravity. Air density $= 1.293$ kg $/$ m $3$ and Coefficient of drag $= 0.4 .$ Surface Area of the object $= 1.9$ m $2 .$

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