Question

A bus moving with velocity of 18km/hr, is brought to rest in 10sec.find it's acceleration.​

Answer 1

Answer::

v=36 km/hr

v=36× 18

SEE THE ATTACHMENT ALSO..

Answer 2

Answer:

0.5 m/s^2

18 km /h= 18×5/18 m/s=5 m/s

acceleration is ( final velocity-initial velocity)/time

[from v=u+at first equation of motion]

=(0-5)/10=-0.5 m/s^2

negative sign shows opposite direction of acceleration t with respect to motion

or retardation