Question

the coefficient of friction between tyres and road is 0.4 the minimum distance covered before attaining a speed of 8m/s starting from rest is nearly
a,8.0m
b,4.1 m
c,16.4 m
d,18.3m
(g 10m/s)

Answer 1

use the torricelli´s equation

Answer 2

what is that

Answer 3

\[v^2=v0^2+2a DeltaX\]

Answer 4

\[a=\mu \times g\]=4 m/s^2

Answer 5

v0=0

Answer 6

DeltaX =8.0 m