# If a #2 kg# object moving at #5 m/s# slows down to a halt after moving #100 m#, what is the friction coefficient of the surface that the object was moving over?

##### 1 Answer

Jan 24, 2018

#### Explanation:

Here,if constant retardation occurring due to frictional force is a then we can use the equation

So,

So,here amount of force acting against the motion of the object is

And this will be equal to the amount of frictional force acting at their interface i.e

So,we can write,