Question

Please answer the above question

Answer 1

u=270km/h= 75m/s

v=0

s=1km= 1000m

a=?

t=?

use formula:- v^2=u^2+2as

0^2=75^2+2a(1000)

0= 5625+2a(1000)

a=2.8125

Now use formula

v=u+at

0=75+2.8125(t)

t=75/2.8125

t=26.67s

Answer 2

Hey Friend ______

Here is ur answer in the attachment.....☺☺☺