Question

with an average acceleration of -1.2m/s2, how long will it take a cylist to bring a bicycle with an initial speed of 6.5/s to a complete stop?

Answer 1

acceleration (a)= -1.2 m/s^2
initial velocity(u)= 6.5 m/s
using v=u+at
0=6.5-1.2t
-6.5=-1.2t
t=6.5/1.2
t=5.4111 seconds