Question

the brakes applied to a car acceleration on - 10 M per second square if the car takes 5 seconds stop after applying the brakes calculate the distance covered by the car before coming to the rest

Answer 1

any comments welcome

Answer 2

v=0
a=-10
t=5

v=u+at
0=u-10(5)
0=u-50
u=50

s=ut+1/2 at^2

s = 50×5+1÷2×−10×5×5=125m