Question

PLEASE HELP ME!! PLEASE NO FAKE ANSWERS!! A bus decreases its speed from 80km/h to 60km/h is 5 second. Find the acceleration of the bus.

Answer 1

acceleration of bus =change in velocity/time taken.

change in velocity =(60-80)=
-20kmph
=-100/18 m/s
=-5.5m/s

so acceleration=-5.5/5=-1.1m/s^2