# What is the coefficient of friction of the...?

An object traveling at 16 m/s enters a frictional area. It comes to rest after a time of 4s. The coefficient of friction of the frictional area is

1) 0.3

2) 0.4

3) 0.5

4) 0.9

5) 1.6

### 1 Answer

Relevance

- AmyLv 71 month ago
What is object's acceleration?

Therefore what is the net force?

Assuming the surface is horizontal, how much force does friction exert?

Assuming the surface is horizontal, how much normal force does the surface exert?

Therefore what is the coefficient of friction?

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