Question

A motor car moving with a uniform velocity of 20m/s comes to a stop or cation of brakes, after traveling of 10m . The acceleration

Answer 1

Feel free to correct me.

V=0

U=20m/s

S=10m

Hence, Newton's equation...

V^2= U^2+2as

20^2= -2(10)a

a= 400/-20

a= -20m/s^2