Question

A man starting from rest accelerated his automobile and achieved a velocity of 60 m/s in
10 seconds. After that he applies brake and the velocity decreases to 10 m/s in 1 second
Calculate the acceleration in both the cases.
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Answer 1

Answer:

sorry dont knowww really...

Answer 2

case 1:-

v= u+at

60=0+10a

acceleration= 6m/s^2

case 2:-

v=u+at

10= 6+a

acceleration= 4m/s^2

( in case of decreasing acceleration, we call it as deceleration)