Posted by **Melanie** on Thursday, September 20, 2012 at 5:53pm.

A window washer drops a brush from a scaf-

fold on a tall office building.

What is the speed of the falling brush after

2.7 s? (Neglect drag forces.) The acceleration

due to gravity is 9.8 m/s2 .

Answer in units of m/s

How far has it fallen in that time?

answer in units of m

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