Question

best travelling at 20 metre per second is subjected to a constant retardation of 5 metre per second square how long will it take to come to rest​

Answer 1

Answer:

Hay mate here is your answer

initial velocity(u)=0

final velocity (v)=20m/s

acceleration=5m/s^2

v=u+at

putting value,

20=0+5×t

20=5×t

t=20/5

t=4s

Hope it is not helpful for you bro