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## Homework Statement

A car with mass 1000kg moves with velocity 50 km/hour. The system of deceleration in a car is based on the principle of "force match" that is applied on each of four wheels with a force of 210 N and the ray of the wheel is 0.3m. Find for how much time, the car with stop and how many meters it has done. I thought this: a=F/m=0.21, a=v/t=> t=66,14 S but in my book solution it is 4.96 S.

## Homework Equations

a=F/m, a=v/t

## The Attempt at a Solution

I thought this: a=F/m=0.21, a=v/t=> t=66,14 S but in my book solution it is 4.96 S