Question

if a bus travelling at 20 metre per second is subjected to a study declaration of 5 metre per second square how long will it take to come to rest​

Answer 1

Answer:

15 is an answers

because in one sec it contain it 20 and we need to find for 5 m so 1 sec -60 mm

so 20/60

Answer 2

Answer: Time taken to come to rest = 4s

Explanation: v = u + at

Here, v=0 , u = 20 , a=-5 , t =?

0 = 20 + (-5)× t

5t =20

∴t = 4 s