Question

The brakes applied to a car produce an acceleration of 5m/s in the opposite direction to
the motion. If the car takes 4s to stop after the application of brakes, Calculate the distance it
travels during this time
a) 400 m
b) 40 m
c) 4000 m
d) 4 m​

Answer 1

Answer:

given,

a=-5

t=5s

v=0

S=?

v-u=at

-u=5×-5

=>u=25

v^2-u^2=2aS

=>-625=2×-5×S

=>S=62.5m

hope it helps u

Explanation: