Question

4.On applying brakes a
vehicles takes 10 seconds
to stop , if it was running at a
speed of 40m/s then how long
distance will covered it before
it stop​

Answer 1

Answer:

s=d/t .. so

Explanation:

d=s×t

40×1=40

Answer 2

Answer:

t = 10 sec

u= 40m/sec

v= 0

s= ?

by law of motion

v = u + at

a = 0-40

10

a = -4m/sec

now

2as = v^2 - u^2

-8s = -1600

s = 200m