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A window washer drops a brush from a scaf- fold on a tall office building. What is the speed of the falling brush after 2.74 s? (Neglect drag forces.) The accelera- tion due to gravity is 9.8 m/s How far
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A window washer drops a brush from a scaf-

fold on a tall office building.
What is the speed of the falling brush after
2.74 s? (Neglect drag forces.) The accelera-
tion due to gravity is 9.8 m/s
How far has it fallen in that time?

User Nick Locking
by
7.7k points

1 Answer

2 votes
9.8 * 1.53 = 14.994 (speed/velocity)
1/2 * 9.8 * 1.53^2 = 1/2 * 9.8 * 2.3409 = 11.47041 (distance)
User Ryan Dorn
by
7.9k points
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