Posted by **Tereza** on Saturday, October 30, 2010 at 1:10pm.

An object was dropped from the top a tall building. During the last two seconds of the fall in traveled 80m.

A) Find the total time of the fall. Assume that the gravitational acceleration is a constant 10m/s and air resistance is negligible.

B) Calculate the height of the building.

- physics -
**Anonymous**, Wednesday, January 13, 2016 at 3:36pm
I don't know

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