Question

If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s2, how long will it take to come to rest ?

for class 9th ​
plz

Answer 1

Explanation:

Using first equation of motion

v=u+at, we have

0=20+(−5)t

⇒5t=20

⇒t=4s

Answer 2

Answer:

t=4s is ur answer

hope it helps you