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## Homework Statement

A block is projected with a speed of 3.0 m/s on a horizontal surface. if the block comes to rest in 1.5 m, what is the coefficient of kinetic friction between the block and the surface?

## Homework Equations

M=Ff/N

(Fapplied-Ff)=ma

I'm not really sure which equations to use for this problem since there is no mass given for the block.

## The Attempt at a Solution

I really have no idea how to go about doing this problem!

I've been solving more complex friction problems but I'm currently baffled since there is no way to calculate a force, etc.

I'm taking a 12th grade physics class, by the way.