A bus running at a speed of 20kmph applies brakes and stops after 1o seconds what is the retardation?

Asked by Shreeya | 8th May, 2012, 07:51: PM

Expert Answer:

Change in speed=0-20 = 20kmph = 20000/3600 m/sec = 50/9 m/sec
time taken = 10sec
 
acceleration = change in speed / time taken
= 50/90 = 5/9 m/sec/sec

Answered by  | 8th May, 2012, 08:40: PM

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