Question

if a bus travelling at 2m/Sec is substented decileration of 5m/sec square. how long will it take to form to rest​

Answer 1

Answer:

HERE a IS ACCLERATION , t IS TIME , v IS FINAL VELOCITY AND u IS INITIAL VELOCITY. ALSO v = 0 M/S BECAUSE THIS IS A CASE OF RETARDATION.

Explanation:

Given =

a = 5m/s

v=0 m/s

u = 2m/s

To find time :-

using a = v - u / t.

0 - 2/t = 5

-2/t = 5

t = -2/5

t = 0.4 s ---- ANSWER